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AltF Backlinks

Free backlink sites list: 1,964 places to get a link

A maintained list of 1,964 legitimate backlink sites: directories, profile creation sites, guest posting sites, launch platforms, registries and marketplaces. 1,628 are free or have a free tier, 44 usually give a dofollow link, and 781 have an estimated DA of 70 or more. Every row shows authority, link type, cost and effort, and links straight to the submit page.

1,964
Opportunities
1,628
Free or freemium
781
Est. DA 70+
208
Quick wins

1–100 of 112 opportunities

The table is wider than the screen — swipe it sideways for cost, effort and the preparation notes.

Submission opportunities with impact score, cost, effort, priority, status and preparation notes. Scroll horizontally for all columns.
#Impact (sorted)Site — sort by thisEst. DA — sort by thisLinkDomainTypeCostEffort — sort by thisPriorityStatusWhat to prepareRules / caveatCheckedActions
186Activepieces Community Pieces50Link type unknownactivepieces.comCommunities and forumsFreeQuickHighNot submittedBuild and test a useful your tool piece with real actions, publish the package under a unique organization scope, and maintain version compatibility.Users install community pieces through My Pieces; package publication alone does not guarantee central-directory promotion or a followed backlink.2026-08-03Open Activepieces Community Pieces submit page (new tab)Activepieces Community Pieces details
286Alfred Gallery50Link type unknownalfred.appDesign galleriesFreeQuickHighVerified liveBuild a privacy-safe macOS Alfred workflow that opens or runs useful your tool actions, publish it on the forum, gather feedback, and seek Gallery inclusion.Gallery submission is invitation-based after community testing; no auto-updater, downloaded executables, unsigned binaries, or unsafe behavior.Official Alfred Gallery submission requirements checked 2026-08-07Open Alfred Gallery submit page (new tab)Alfred Gallery details
386AnkiWeb Add-ons65Link type unknownankiweb.netMarketplaces and app storesFreeQuickHighVerified liveBuild a useful Anki privacy, study-safety, or accessibility add-on, package it as .ankiaddon, and upload it through AnkiWeb.Must be a working desktop add-on; avoid collecting card data, document permissions, and maintain compatibility across Anki releases.Official Anki add-on sharing guide checked 2026-08-05Open AnkiWeb Add-ons submit page (new tab)AnkiWeb Add-ons details
486Ansible Galaxy80Nofollowansible.comDeveloper registriesFreeQuickHighNot submittedCreate a tested Ansible collection for supported your tool deployment or audit automation, complete galaxy.yml, version it, and publish with a Galaxy token.Publish only maintained, useful collection content with accurate metadata and versioning; acceptance does not guarantee discovery, referrals, or followed links.2026-08-03Open Ansible Galaxy submit page (new tab)Ansible Galaxy details
586Apache Airflow Ecosystem90Nofollowairflow.apache.orgOther opportunitiesFreeQuickHighVerified liveCreate a real your tool Airflow provider with hooks/operators and documentation metadata, publish it, then add it to Airflow’s Ecosystem page by PR.Provider must implement apache_airflow_provider metadata, use unique connection types, be documented and packaged; ecosystem PR is evaluated for community usefulness.2026-08-05 — https://airflow.apache.org/docs/apache-airflow-providers/howto/create-custom-providers.htmlOpen Apache Airflow Ecosystem submit page (new tab)Apache Airflow Ecosystem details
686APIList.fun45Link type unknownapilist.funOther opportunitiesFreeQuickHighLive, conditionalRecommend an official your tool API with its documentation URL, concise Markdown description, category, and technical details.Submit only an active public API with accurate auth, SSL, request, and response information.2026-08-05Open APIList.fun submit page (new tab)APIList.fun details
786APIs.guru OpenAPI Directory50Link type unknownapis.guruOther opportunitiesFreeQuickHighLive, conditionalWhen your tool exposes a stable public API, host an official OpenAPI definition at a permanent URL and submit it with accurate ownership, category, logo, and metadata.The API must be public through clearly documented access steps, persistent, independently useful, and described by a valid machine-readable definition. APIs.guru aggregates rather than hosts the specification and automatically rechecks its source, so keep the canonical spec stable and current.2026-08-03Open APIs.guru OpenAPI Directory submit page (new tab)APIs.guru OpenAPI Directory details
886AppDirectory.org—Link type unknownappdirectory.orgSoftware directoriesFreeQuickHighLive, conditionalSubmit your tool once with its strongest free-use case, correct category, concise copy, and product URL.The app must be free or have a meaningful free tier; listings are curated and duplicate submissions are not allowed.2026-08-03Open AppDirectory.org submit page (new tab)AppDirectory.org details
986Awesome-Selfhosted40Link type unknownawesome-selfhosted.netSoftware directoriesFreeQuickHighLive, conditionalSubmit a mature self-hosted your tool edition using the required YAML entry and canonical website/source links.Must be a working FOSS network app with a release at least four months old; LLM-generated contributions are prohibited.2026-08-05Open Awesome-Selfhosted submit page (new tab)Awesome-Selfhosted details
1086Buildkite Plugins Directory70Link type unknownbuildkite.comMarketplaces and app storesFreeQuickHighVerified liveBuild a pipeline plugin that runs your tool checks on selected artifacts and posts configurable pass, warn, or fail annotations.Use a public repository with the required suffix, valid plugin.yml, hooks, tests, and README; add the official topic for directory sync.Official Buildkite plugin writing documentation checked 2026-08-07Open Buildkite Plugins Directory submit page (new tab)Buildkite Plugins Directory details
1186Capterra90Nofollowcapterra.comSoftware directoriesFreeQuickHighNot submittedList product under software categories.Part of Gartner Digital Markets; good B2B fit.2026-07-30Open Capterra submit page (new tab)Capterra details
1286CodeNewbie Community60Nofollowcodenewbie.orgPublishing platformsFreeQuickHighNot submittedCreate a transparent human profile and publish a beginner-friendly build log or tutorial showing how one your tool privacy utility works and what tradeoffs it has.Follow the community code of conduct, accessibility guidance, Markdown/editor rules, and honest authorship. Use canonical URLs where republishing and avoid promotional flooding.2026-08-03Open CodeNewbie Community submit page (new tab)CodeNewbie Community details
1386CodePen90Nofollowcodepen.ioProfiles and entitiesFreeQuickHighVerified liveBuild an original interactive demo of an your tool utility, document the use case in Pen Details, and add your tool as one of the public profile links.Public Pens are searchable and MIT-licensed; publish original useful code, not a blank redirect or copied landing page.https://blog.codepen.io/docs/getting-around/your-profile/Open CodePen submit page (new tab)CodePen details
1486CodeSandbox90Nofollowcodesandbox.ioProfiles and entitiesFreeQuickHighNot submittedPublish a small open demo that explains one your tool algorithm or UI pattern and add the product website to the founder profile links.The sandbox must run and provide reusable technical value; public projects and profile links are UGC and may be nofollowed.2026-08-03Open CodeSandbox submit page (new tab)CodeSandbox details
1586CoFoundersLab65Nofollowcofounderslab.comStartup directoriesFreeQuickHighVerified liveCreate a complete founder and startup profile for your tool and participate in relevant founder discussions or connection requests.Use a real founder identity, contribute context before mentioning AltFTool, and never send unsolicited promotional messages.Official CoFoundersLab signup and community path checked 2026-08-07Open CoFoundersLab submit page (new tab)CoFoundersLab details
1686Cybil Knowledge Portal40Link type unknowncybilportal.orgSoftware directoriesFreeQuickHighVerified liveSubmit a genuine international cyber-capacity-building project, tool, publication or webinar with evidence and a live resource URL.Portal staff curate and may validate with participants; must have direct cyber-capacity-building relevance, not be a generic product listing.2026-08-05 — https://cybilportal.org/submit-your-cyber-capacity-building-projects/Open Cybil Knowledge Portal submit page (new tab)Cybil Knowledge Portal details
1786daily.dev75Nofollowdaily.devProfiles and entitiesFreeQuickHighNot submittedComplete the founder's developer profile, add your tool as real project experience, and publish useful privacy or security engineering posts with contextual links.Participate as a genuine community member; avoid promotional link dumps, and do not assume any particular search-link attribute.2026-08-03Open daily.dev submit page (new tab)daily.dev details
1886DatoCMS Plugin Marketplace65Link type unknowndatocms.comMarketplaces and app storesFreeQuickHighVerified liveBuild an your tool privacy or security field plugin, publish the npm package, and use your tool as its homepage and support site.The package name must start datocms-plugin-, include the required keyword, and meet Plugin SDK requirements; ingestion is automatic.Official DatoCMS Marketplace publishing documentation checked 2026-08-07Open DatoCMS Plugin Marketplace submit page (new tab)DatoCMS Plugin Marketplace details
1986Directus Marketplace65Link type unknowndirectus.comMarketplaces and app storesFreeQuickHighVerified livePublish a genuine your tool Directus extension to npm and complete author, documentation, support, and website metadata.Requires the Directus extension keyword and metadata; availability depends on supported extension type and matching npm and GitHub author identity.Official Directus Marketplace publishing documentation checked 2026-08-07Open Directus Marketplace submit page (new tab)Directus Marketplace details
2086DokuWiki Plugins70Nofollowdokuwiki.orgMarketplaces and app storesFreeQuickHighVerified liveBuild a DokuWiki privacy, redaction, accessibility, or secure-export plugin, publish its code and create the canonical plugin page used by the extension directory.Must be an installable maintained plugin with accurate compatibility, download, source, license, and security information.Official DokuWiki extension pages and plugin wizard checked 2026-08-05Open DokuWiki Plugins submit page (new tab)DokuWiki Plugins details
2186Eclipse Marketplace90Nofolloweclipse.orgMarketplaces and app storesFreeQuickHighVerified livePublish a functional Eclipse plugin for an your tool developer use case, then create a complete marketplace listing with official support and source links.Requires an Eclipse account, a working installable plugin and compliance with marketplace content and trademark rules.2026-08-03Open Eclipse Marketplace submit page (new tab)Eclipse Marketplace details
2286FOSSRadar—Link type unknownfossradar.devOther opportunitiesFreeQuickHighVerified liveAfter open-sourcing a maintained component, submit the TOML project file and website through GitHub PR.Must be India-founded, India-maintained or serve Indian users; repository and license are required.2026-08-03Open FOSSRadar submit page (new tab)FOSSRadar details
2386Fourthwall70Nofollowfourthwall.comOther opportunitiesFreeQuickHighVerified liveOffer a substantial free privacy checklist, accessibility workbook, or safety template from a branded storefront and link your tool only as supporting documentation.Publish useful rights-cleared products rather than thin promotional downloads; payment rates vary and the free plan has listing limits.Official Fourthwall digital-products, pricing, and terms pages checked 2026-08-07Open Fourthwall submit page (new tab)Fourthwall details
2486Framer Marketplace85Nofollowframer.comMarketplaces and app storesFreeQuickHighVerified liveCreate a functional Framer plugin for accessibility, metadata, responsive-content, or privacy checks and publish it with your tool documentation.Test in fresh projects, package the real plugin, provide accurate screenshots and descriptions, and maintain every published version.Official Framer plugin publishing documentation checked 2026-08-07Open Framer Marketplace submit page (new tab)Framer Marketplace details
2586Frappe Cloud Marketplace65Link type unknownfrappe.ioMarketplaces and app storesFreeQuickHighVerified liveBuild a useful your tool-related Frappe app, publish it through Frappe Cloud Marketplace, and include the official project/site link in its genuine listing.App must be open source under an MIT/GPL-compatible licence, stable on Frappe, pass CI, provide support/privacy URLs and accurate imagery/demo; do not use the listing as a link-only redirect.2026-08-05Open Frappe Cloud Marketplace submit page (new tab)Frappe Cloud Marketplace details
2686Frontend Mentor65Nofollowfrontendmentor.ioDesign galleriesFreeQuickHighVerified liveComplete a relevant accessibility or privacy-themed challenge, submit its real live URL and public repository, and add your tool only as maker context or a case-study link.The submission must solve an actual challenge; a live URL and public repository are required, so never upload secrets or private code.Official Frontend Mentor submission and plan guidance checked 2026-08-07Open Frontend Mentor submit page (new tab)Frontend Mentor details
2786GeM70Link type unknowngem.gov.inMarketplaces and app storesFreeQuickHighLive, conditionalRegister an authorized Indian business seller and list only real eligible your tool services with accurate catalogue details.Requires authorized entity, Aadhaar/PAN, business PAN, incorporation and bank data; an external backlink is not guaranteed.2026-08-04Open GeM submit page (new tab)GeM details
2886gitconnected50Nofollowgitconnected.comProfiles and entitiesFreeQuickHighNot submittedCreate the founder developer profile, add your tool as a real project, and link the live product and supporting repository where applicable.Use a real individual profile with accurate work history; this is not a generic company-directory listing.2026-08-03Open gitconnected submit page (new tab)gitconnected details
2986GitHub95Nofollowgithub.comDeveloper registriesFreeQuickHighNot submittedCreate org/repo README linking your tool; submit to relevant awesome lists.Only publish original/clean licensed code; no fake stars.2026-07-30Open GitHub submit page (new tab)GitHub details
3086Glasp55Nofollowglasp.coProfiles and entitiesFreeQuickHighVerified liveCreate a founder research profile that curates authoritative privacy, accessibility, security, and standards material, including your tool only when it directly supports the annotation.Free-user highlights are public by default; never add confidential data or secrets, and maintain balanced curation instead of a self-link collection.Official Glasp pricing and highlighting guidance checked 2026-08-07Open Glasp submit page (new tab)Glasp details
3186Global Accessibility Awareness Day30Link type unknownaccessibility.dayOther opportunitiesFreeQuickHighVerified liveHost a genuine public accessibility learning or testing event and submit its dates, description and your tool event URL.The event must be real and accessibility-focused; use a public event page, not a disguised product listing.2026-08-05 — https://accessibility.day/submit-your-eventOpen Global Accessibility Awareness Day submit page (new tab)Global Accessibility Awareness Day details
3286Goodpods60Nofollowgoodpods.comOther opportunitiesFreeQuickHighLive, conditionalSearch for and claim a real your tool podcast, then keep its RSS-supplied website and episode metadata accurate.Claim only a show AltFTool owns; authentic podcast content and RSS ownership are required.2026-08-04Open Goodpods submit page (new tab)Goodpods details
3386Hexo Plugin List75Link type unknownhexo.ioMarketplaces and app storesFreeQuickHighVerified liveCreate a functional Hexo plugin for a relevant your tool capability, publish the package, then add its record to Hexo's official plugin data repository.Plugin must be genuinely useful, maintained and correctly packaged; submit the required YAML metadata through the documented contribution path, not a promotional-only entry.2026-08-05Open Hexo Plugin List submit page (new tab)Hexo Plugin List details
3486HSTS Preload List70Link type unknownhstspreload.orgOther opportunitiesFreeQuickHighNot submittedAudit every your tool subdomain, stage HSTS safely, then submit the base domain only after long-term HTTPS readiness is proven.Requires a valid certificate, HTTP-to-HTTPS redirect, HTTPS on every subdomain, and HSTS max-age of at least one year with includeSubDomains and preload. Inclusion is difficult and slow to undo, so do not submit before a staged rollout.2026-08-03Open HSTS Preload List submit page (new tab)HSTS Preload List details
3586Indie Hackers75Nofollowindiehackers.comStartup directoriesFreeQuickHighNot submittedAdd product and post build-in-public story with honest numbers.Avoid link-drop; founder story performs better.2026-07-30Open Indie Hackers submit page (new tab)Indie Hackers details
3686Indie Page35Link type unknownindiepa.geStartup directoriesFreeQuickHighNot submittedBuild a complete founder profile, add your tool as a shipped startup, and keep milestones, revenue visibility, and product details truthful.Public publishing is paid; use a real founder identity and accurate startup data rather than a backlink-only profile.2026-08-03Open Indie Page submit page (new tab)Indie Page details
3786Joplin Plugins60Link type unknownjoplinapp.orgMarketplaces and app storesFreeQuickHighNot submittedBuild and test a Joplin plugin that locally detects or removes sensitive note content, provide a valid manifest and publish a maintained release for discovery.Requires a real installable package, correct plugin manifest and ongoing compatibility; directory metadata and outbound-link handling are platform-controlled.2026-08-03Open Joplin Plugins submit page (new tab)Joplin Plugins details
3886Keybase75Nofollowkeybase.ioStartup directoriesFreeQuickHighNot submittedCreate the founder Keybase profile and cryptographically prove control of your tool so the public identity record links the verified domain.The founder must control the website or DNS proof and keep account keys secure; this verifies identity rather than acting as a marketing listing.2026-08-03Open Keybase submit page (new tab)Keybase details
3986Kompass75Sometimes dofollowkompass.comBusiness directoriesFreeQuickHighNot submittedRegister the legal company and complete a global B2B profile with accurate IT services, contact data, and your tool website.Provide verifiable company details and choose the correct Kompass classifications; enhanced promotion is paid.2026-08-03Open Kompass submit page (new tab)Kompass details
4086Listen Notes80Dofollowlistennotes.comOther opportunitiesFreeQuickHighLive, conditionalSubmit a real your tool podcast RSS feed whose show website and episode notes naturally reference relevant tools.Valid human-made podcast with substantive episodes only; low-quality or link-only feeds are rejected.2026-08-04Open Listen Notes submit page (new tab)Listen Notes details
4186MeltanoHub50Link type unknownhub.meltano.comMarketplaces and app storesFreeQuickHighVerified liveBuild a Singer SDK tap that incrementally extracts your tool audit runs and findings, then add it through MeltanoHub's official issue-assisted or self-service contribution path.Must be an installable, maintained Singer tap with real schemas and incremental state behavior; do not submit a metadata-only package.2026-08-05Open MeltanoHub submit page (new tab)MeltanoHub details
4286Needle Directory—Link type unknownuseneedle.netStartup directoriesFreeQuickHighVerified liveSign in and submit an accurate your tool product profile for review.Verified startups and tools only; community upvotes must remain organic.2026-08-05Open Needle Directory submit page (new tab)Needle Directory details
4386Nimble Directory35Link type unknownnimble.directoryDeveloper registriesFreeQuickHighVerified liveRelease a maintained Nim client or utility for your tool and publish it through Nimble with accurate repository and homepage metadata.The package must meet Nimble manifest and source-hosting requirements and remain installable.2026-08-03Open Nimble Directory submit page (new tab)Nimble Directory details
4486Node-RED Flow Library65Link type unknownnodered.orgDeveloper registriesFreeQuickHighVerified liveCreate a functional your tool Node-RED node, publish it to npm, and add it to the Flow Library with documentation and support metadata.Must follow Node-RED naming, package metadata, node UX, testing, and documentation conventions and avoid thin wrappers.Official Node-RED custom node documentation checked 2026-08-07Open Node-RED Flow Library submit page (new tab)Node-RED Flow Library details
4586NuGet85Nofollownuget.orgDeveloper registriesFreeQuickHighVerified livePublish a real .NET library or CLI package with ProjectUrl, readme, repository and license metadata.Requires a Microsoft account and API key; packages undergo validation and indexing.Official Microsoft NuGet docs checked 2026-07-30Open NuGet submit page (new tab)NuGet details
4686NVDA Add-on Store60Link type unknownaddonstore.nvaccess.orgMarketplaces and app storesFreeQuickHighVerified liveBuild an installable privacy or accessibility NVDA add-on and submit it through the official add-on datastore workflow.Not a generic website listing; public source, documentation, compatible licensing, testing, and ongoing NVDA compatibility are required.Official live store and datastore submission guide checked 2026-08-05Open NVDA Add-on Store submit page (new tab)NVDA Add-on Store details
4786Obsidian Community Plugins75Link type unknownobsidian.mdMarketplaces and app storesFreeQuickHighVerified liveBuild a unique and useful Obsidian plugin, create valid releases and submit it to the community plugin directory.Requires a working plugin, release artifacts, documentation and compliance with Obsidian developer policies.Official Obsidian submission docs checked 2026-07-30Open Obsidian Community Plugins submit page (new tab)Obsidian Community Plugins details
4886Open Hub75Nofollowopenhub.netProfiles and entitiesFreeQuickHighVerified liveAdd or claim a genuine open-source your tool project and complete its description, code locations, tags and official homepage.FOSS projects only; connect real public source history and avoid duplicate or abandoned shell projects.Official live Open Hub project directory checked 2026-07-30Open Open Hub submit page (new tab)Open Hub details
4986Open Makers—Link type unknownopenmakers.ioProfiles and entitiesFreeQuickHighNot submittedJoin as your tool founder, create a product page, and document meaningful launches, milestones, and lessons learned.Sign up as an individual maker, not as a product; product-only and spam accounts may be deleted, and X sign-in is required.2026-08-03Open Open Makers submit page (new tab)Open Makers details
5086Open VSX Registry65Link type unknownopen-vsx.orgMarketplaces and app storesFreeQuickHighLive, conditionalPublish a useful your tool editor extension whose marketplace metadata links to its homepage and documentation.Requires a genuine VSIX extension, namespace ownership and an access token; do not republish third-party work without rights.https://open-vsx.org/Open Open VSX Registry submit page (new tab)Open VSX Registry details
5186OpenChain50Link type unknownopenchainproject.orgOther opportunitiesFreeQuickHighVerified liveImplement a scoped open-source compliance or security-assurance program, self-certify honestly, then request your tool Community of Conformance listing.Every applicable answer must truthfully be yes and scope must be explicit; self-certification is not independent certification or endorsement.2026-08-05 official conformance submission, FAQ and Community of Conformance pagesOpen OpenChain submit page (new tab)OpenChain details
5286OpenSourceAlternative.to35Link type unknownopensourcealternative.toSoftware directoriesFreeQuickHighLive, conditionalSubmit a genuinely open-source, maintained and self-hostable your tool component as an alternative to a named proprietary tool.Requires real open source, self-hosting and active maintenance; submission does not guarantee inclusion.2026-08-04Open OpenSourceAlternative.to submit page (new tab)OpenSourceAlternative.to details
5386OpenTelemetry Registry75Link type unknownopentelemetry.ioMarketplaces and app storesFreeQuickHighVerified liveAdd native OpenTelemetry support or build a useful your tool instrumentation or utility, then submit its registry metadata and documentation links.Must fit an allowed registry type, have real implementation and enablement docs, use accurate licence and marketing metadata, and stay maintained.2026-08-05 — https://opentelemetry.io/ecosystem/registry/adding/Open OpenTelemetry Registry submit page (new tab)OpenTelemetry Registry details
5486Package Control60Link type unknownpackagecontrol.ioMarketplaces and app storesFreeQuickHighVerified liveBuild a useful Sublime Text integration for an your tool developer workflow, document it publicly and submit the package for review.Requires a public repository, valid metadata, releases and successful automated tests; thin promotional plugins will not qualify.2026-08-03Open Package Control submit page (new tab)Package Control details
5586Peerlist55Link type unknownpeerlist.ioLaunch platformsFreeQuickHighNot submittedCreate maker profile and launch your tool as project.Best fit for developer/design tools; complete profile first.2026-07-30Open Peerlist submit page (new tab)Peerlist details
5686Pipedream Registry70Link type unknownpipedream.comMarketplaces and app storesFreeQuickHighLive, conditionalBuild your tool triggers/actions, submit them to the public registry by GitHub PR, and address review feedback.Components must follow registry patterns; approved PRs become available in Pipedream Marketplace and workflows.https://pipedream.com/docs/components/contributingOpen Pipedream Registry submit page (new tab)Pipedream Registry details
5786Pipedrive Marketplace85Link type unknownpipedrive.comMarketplaces and app storesFreeQuickHighVerified liveBuild a Pipedrive OAuth integration for safe note export, duplicate cleanup, or PII auditing and submit a unique your tool listing.OAuth and testing are mandatory; accept the partner agreement and provide working legal, support, and production URLs.Official Pipedrive app development and marketplace guidance checked 2026-08-07Open Pipedrive Marketplace submit page (new tab)Pipedrive Marketplace details
5886PlatformIO Registry60Link type unknownregistry.platformio.orgDeveloper registriesFreeQuickHighVerified livePackage a real embedded privacy or security library for supported boards, add complete PlatformIO manifest and examples, test it, and publish it publicly.Published name-version pairs are immutable; package must be functional, properly licensed, documented, versioned, and maintained.Official PlatformIO package-publish documentation checked 2026-08-05Open PlatformIO Registry submit page (new tab)PlatformIO Registry details
5986Player FM80Nofollowplayer.fmOther opportunitiesFreeQuickHighLive, conditionalSubmit a genuine your tool podcast RSS feed or Apple Podcasts URL with accurate show-website and episode metadata.Feed must be public, accessible and contain playable audio enclosures; do not submit a fake link-only feed.2026-08-04Open Player FM submit page (new tab)Player FM details
6086Pocket Casts70Link type unknownpocketcasts.comOther opportunitiesFreeQuickHighLive, conditionalSubmit a real public your tool podcast RSS feed whose metadata and episode notes reference the official site naturally.Requires a valid public RSS feed and genuine episodes; do not submit a shell or private feed as public.2026-08-05Open Pocket Casts submit page (new tab)Pocket Casts details
6186PowerShell Gallery75Nofollowpowershellgallery.comDeveloper registriesFreeQuickHighVerified livePublish a stable your tool module or script with ProjectURI, LicenseURI, tags, help and examples.Requires an account and API key; pass PowerShell Gallery validation and avoid placeholder packages.Official Microsoft publishing docs checked 2026-07-30Open PowerShell Gallery submit page (new tab)PowerShell Gallery details
6286PRISM Break60Dofollowprism-break.orgSoftware directoriesFreeQuickHighLive, conditionalPropose a qualifying open-source your tool privacy project through the official contribution process.Strong privacy and free-software fit is required; follow maintainers' criteria and avoid promotional-only changes.2026-08-05Open PRISM Break submit page (new tab)PRISM Break details
6386pub.dev85Link type unknownpub.devDeveloper registriesFreeQuickHighVerified livePublish an your tool Dart package with homepage, repository, issue tracker, documentation and a complete readme.Must satisfy pub.dev policy and quality checks; a verified publisher is preferable for a branded package.Official Dart publishing docs checked 2026-07-30Open pub.dev submit page (new tab)pub.dev details
6486Pulsar Package Registry45Link type unknownpulsar-edit.devDeveloper registriesFreeQuickHighVerified liveBuild a maintained Pulsar editor package that performs a real your tool workflow, then publish it to the official package registry with a useful README and project link.Package must be hosted on GitHub and include valid package.json metadata, SemVer and Pulsar engine constraints; it must provide real editor functionality, not a backlink wrapper.2026-08-05Open Pulsar Package Registry submit page (new tab)Pulsar Package Registry details
6586PulseMCP45Link type unknownpulsemcp.comOther opportunitiesFreeQuickHighLive, conditionalSubmit your tool MCP repository or public server URL, preferably after publishing it to the official MCP Registry.Registry data is processed periodically; only submit a real repository, server or client.2026-08-04Open PulseMCP submit page (new tab)PulseMCP details
6686PWA Directory35Link type unknownpwa.directoryOther opportunitiesFreeQuickHighLive, conditionalFirst pass PWA checks, then submit the installable HTTPS app with manifest, service worker, offline behavior, icons, and screenshots.Requires a valid manifest, registered service worker, useful offline behavior, HTTPS, no broken links, and more than a bare website wrapper.2026-08-03Open PWA Directory submit page (new tab)PWA Directory details
6786RingCentral App Gallery85Link type unknownringcentral.comMarketplaces and app storesFreeQuickHighVerified liveBuild a public RingCentral integration around call-note privacy or safe file sharing and complete the profile with your tool documentation, privacy, and support links.A working public app is mandatory; screenshots must show the integration, and the profile needs installation, support, privacy, and legal details.Official RingCentral App Gallery promotion documentation checked 2026-08-07Open RingCentral App Gallery submit page (new tab)RingCentral App Gallery details
6886Sensu Bonsai50Link type unknownbonsai.sensu.ioOther opportunitiesFreeQuickHighVerified livePublish an open-source Sensu check/handler for your tool, create GitHub releases and bonsai.yml, then register it with description and tags.GitHub-hosted open-source asset; release archives, supported platforms, SHA-512 checksums, useful README and correct Bonsai metadata are required.2026-08-05 — https://docs.sensu.io/sensu-go/latest/plugins/assets/#share-an-asset-on-bonsaiOpen Sensu Bonsai submit page (new tab)Sensu Bonsai details
6986Sessionize70Link type unknownsessionize.comProfiles and entitiesFreeQuickHighLive, conditionalCreate a founder expert profile and submit substantive talks about privacy-first tools, accessibility or web security.Directory visibility should reflect real expertise and sessions; free event mode excludes promotional or commercial events.2026-08-05Open Sessionize submit page (new tab)Sessionize details
7086Speaker Deck85Nofollowspeakerdeck.comPublishing platformsFreeQuickHighVerified liveUpload an original conference-quality PDF deck explaining privacy-safe tooling or accessibility testing, with a useful description, correct category, references, and an honest profile link.Upload a real educational presentation, not a sales brochure. Free decks are public and downloadable; private or password-protected sharing requires Pro, and all content must be owned or licensed.2026-08-03Open Speaker Deck submit page (new tab)Speaker Deck details
7186Stacker News50Link type unknownstacker.newsProfiles and entitiesFreeQuickHighNeeds checkingCreate a genuine founder profile and share a useful build story or tutorial with a relevant link.Follow community self-promotion rules; contribute before linking; no repetitive posts. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/stacker-newsOpen Stacker News submit page (new tab)Stacker News details
7286StackStorm Exchange45Link type unknownexchange.stackstorm.orgOther opportunitiesFreeQuickHighVerified liveCreate a useful StackStorm integration or automation pack for an your tool workflow, then submit it through the official Exchange Incubator pull-request process.Pack must contain real actions, workflows, rules or sensors; pack.yaml metadata must pass naming, email, Python and SemVer checks, and contribution grants the documented copyright licence.2026-08-05Open StackStorm Exchange submit page (new tab)StackStorm Exchange details
7386Startup Grind70Link type unknownstartupgrind.comStartup directoriesFreeQuickHighVerified liveJoin a relevant chapter, complete the founder profile, attend suitable events, and share your tool only in genuine networking context.Choose a relevant chapter or event and follow organizer rules; member access is not a broadcast or mass-messaging channel.Official Startup Grind chapter community path checked 2026-08-07Open Startup Grind submit page (new tab)Startup Grind details
7486StartuPage—Link type unknownstartupa.geStartup directoriesFreeQuickHighVerified liveCreate an authentic founder profile, add your tool as a startup page and include verified website/social links.Use truthful traction data; do not fabricate revenue or create duplicate identities.2026-08-03Open StartuPage submit page (new tab)StartuPage details
7586Tableau Public90Nofollowpublic.tableau.comProfiles and entitiesFreeQuickHighVerified livePublish an original dashboard using public your tool benchmark or ecosystem data and add an appropriate project permalink in workbook details.Everything published is publicly accessible and may be downloadable; never include secrets, private analytics, user-level records, or confidential data.https://help.tableau.com/current/pro/desktop/en-gb/publish_workbooks_tableaupublic.htmOpen Tableau Public submit page (new tab)Tableau Public details
7686Terraform Registry80Link type unknownregistry.terraform.ioDeveloper registriesFreeQuickHighLive, conditionalPublish a maintained Terraform provider for your tool stable API, or a genuinely reusable deployment module, with signed releases, generated documentation, examples, tests, and semantic versions.A provider must use a public lowercase terraform-provider-* GitHub repository, signed cross-platform release assets, a valid manifest, docs, and SemVer tags. A module has separate public-repository, naming, structure, documentation, and tag requirements. Publish only a functional reusable artifact.2026-08-03Open Terraform Registry submit page (new tab)Terraform Registry details
7786The Org65Nofollowtheorg.comStartup directoriesFreeQuickHighVerified liveAdd your tool’s real company, founder, and team structure with website and role details to create a trustworthy organization profile.Use verified work details and obtain team consent before publishing names or roles; do not fabricate an org chart.https://theorg.com/iterate/how-to-make-an-org-chartOpen The Org submit page (new tab)The Org details
7886Toolradar—Link type unknowntoolradar.comSoftware directoriesFreeQuickHighVerified liveCreate an your tool product page for discovery, comparison, and reviews.Vendor account and truthful product details required.https://toolradar.com/vendorsOpen Toolradar submit page (new tab)Toolradar details
7986Traefik Plugin Catalog60Link type unknownplugins.traefik.ioMarketplaces and app storesFreeQuickHighVerified liveBuild a production-quality Traefik middleware plugin for an your tool privacy or security use case and publish it to the public catalog.Plugin must be public, reusable, tested, documented, safely scoped, and compliant with Traefik plugin manifest and registry requirements.2026-08-05 — https://doc.traefik.io/traefik-hub/api-gateway/guides/plugin-development-guideOpen Traefik Plugin Catalog submit page (new tab)Traefik Plugin Catalog details
8086TYPO3 Extension Repository75Link type unknowntypo3.orgMarketplaces and app storesFreeQuickHighVerified liveBuild a TYPO3 backend extension for selected content or media PII, metadata, and accessibility checks.Register a unique extension key and provide public source, documentation, security policy, semantic versions, and maintained releases.Official TYPO3 Extension Repository publishing documentation checked 2026-08-07Open TYPO3 Extension Repository submit page (new tab)TYPO3 Extension Repository details
8186Umbraco Marketplace75Link type unknownumbraco.comMarketplaces and app storesFreeQuickHighVerified liveCreate an your tool Umbraco integration package and point its NuGet project URL plus documentation to your tool.The NuGet package needs the marketplace tag, supported Umbraco version metadata, documentation, and optional marketplace manifest.Official Umbraco Marketplace package listing documentation checked 2026-08-07Open Umbraco Marketplace submit page (new tab)Umbraco Marketplace details
8286UN SDG Actions Platform90Link type unknownsdgs.un.orgStartup directoriesFreeQuickHighVerified liveRegister a concrete ongoing your tool initiative with measurable milestones, dates, resources, SDG targets, partners and website evidence.Action must be specific, measurable, achievable, resource-based, time-bound and ongoing; not a proposal, completed activity or organization profile.2026-08-05 — https://sdgs.un.org/partnerships/acceleration-actions/registerOpen UN SDG Actions Platform submit page (new tab)UN SDG Actions Platform details
8386Upbound Marketplace45Link type unknownmarketplace.upbound.ioMarketplaces and app storesFreeQuickHighVerified liveBuild and publish a real Crossplane provider, function, configuration or add-on that integrates an your tool capability and exposes accurate project documentation.Use Upbound's package tooling and a public listing; package must be installable, maintained and useful to control-plane users. Confirm public visibility because new pushed packages may initially be private.2026-08-05Open Upbound Marketplace submit page (new tab)Upbound Marketplace details
8486Webex App Hub90Link type unknownwebex.comMarketplaces and app storesFreeQuickHighVerified liveBuild a production Webex integration or bot for deliberate sharing of your tool checklists or sanitized files, then submit its branded App Hub profile.Must be production-ready, use minimum scopes, avoid Cisco trademark misuse, and provide complete support and marketing material.Official Webex App Hub submission documentation checked 2026-08-07Open Webex App Hub submit page (new tab)Webex App Hub details
8586Wikimedia Toolhub95Link type unknowntoolhub.wikimedia.orgSoftware directoriesFreeQuickHighVerified liveBuild a tool that genuinely interacts with Wikimedia, publish accurate toolinfo.json metadata, and register it through Toolhub UI, crawler, or API.Must serve Wikimedia projects; Wikimedia login is required and submitted metadata is CC0; unrelated utilities do not qualify.Official Wikimedia developer search and Toolhub documentation checked 2026-08-05Open Wikimedia Toolhub submit page (new tab)Wikimedia Toolhub details
8686WordPress.org Plugins95Nofollowwordpress.orgMarketplaces and app storesFreeQuickHighNot submittedSubmit your tool widgets plugin after /embed is live.Credit link must be opt-in/default hidden; GPL-compatible plugin.2026-07-30Open WordPress.org Plugins submit page (new tab)WordPress.org Plugins details
8786WorkflowHub45Link type unknownworkflowhub.euDeveloper registriesFreeQuickHighVerified livePackage a reproducible your tool privacy or redaction workflow, join or create a team, and register it with rich metadata and source links.Requires a real executable workflow file, team membership, accurate authorship/licence metadata, and a maintained public entry.2026-08-05 — https://about.workflowhub.eu/docs/registering_workflows/registering-a-workflow/Open WorkflowHub submit page (new tab)WorkflowHub details
8883AI Tools by Neil Patel—Link type unknownneilpatel.comAI tool directoriesFree + paid tierQuickHighNeeds checkingSubmit the AI prompt tools suite with a clear free-plan description.High-authority domain (reported DR ~91); find the submit link on the site.Added 2026-11-01Open AI Tools by Neil Patel submit page (new tab)AI Tools by Neil Patel details
8983Coda Gallery Packs85Nofollowcoda.ioMarketplaces and app storesFree + paid tierQuickHighVerified liveBuild a useful Coda Pack that connects to your tool functionality and publish it to the Gallery with documentation and support links.Pack must be secure, functional and compliant with Coda data, authentication and publishing policies.Official Coda help article checked 2026-07-30Open Coda Gallery Packs submit page (new tab)Coda Gallery Packs details
9083Contra75Nofollowcontra.comStartup directoriesFree + paid tierQuickHighNot submittedCreate the founder or studio portfolio and publish your tool as a detailed product case study with the live project link.Use a real professional identity and show genuine work, process, and outcomes; do not create a shell profile only for a backlink.2026-08-03Open Contra submit page (new tab)Contra details
9183Crunchbase90Nofollowcrunchbase.comStartup directoriesFree + paid tierQuickHighNot submittedCreate/claim company profile linking your tool/Anslation.High authority entity/profile; company details needed.2026-07-30Open Crunchbase submit page (new tab)Crunchbase details
9283Eventbrite90Nofolloweventbrite.comProfiles and entitiesFree + paid tierQuickHighVerified liveHost a genuine your tool privacy/tool workshop or webinar; add your tool in the organizer website field and useful event description.Do not create fake events or thin SEO pages; publish only a real scheduled event with attendee value.https://www.eventbrite.com/help/en-us/articles/161196/how-to-set-up-your-organizer-profile-page/Open Eventbrite submit page (new tab)Eventbrite details
9383Justdial80Nofollowjustdial.comBusiness directoriesFree + paid tierQuickHighVerified liveCreate a verified your tool listing with Indian phone, address, category, hours, website, social links, and product or service details.Mobile OTP, address, and business details are required; expect sales upsells and keep all information consistent.https://www.justdial.com/free-listingOpen Justdial submit page (new tab)Justdial details
9483JustGotFound—Link type unknownjustgotfound.comLaunch platformsFree + paid tierQuickHighVerified liveUse the free submission tier for a standard your tool listing.Do not buy promotion until referral value is measured; listing remains after promotion ends.2026-08-05Open JustGotFound submit page (new tab)JustGotFound details
9583MCP.so50Link type unknownmcp.soOther opportunitiesFree + paid tierQuickHighLive, conditionalSubmit a real public your tool MCP server repository with correct name, install steps and configuration details.Free listing uses random placement and a nofollow link; only submit a working maintained MCP server.2026-08-04Open MCP.so submit page (new tab)MCP.so details
9683Observable80Nofollowobservablehq.comProfiles and entitiesFree + paid tierQuickHighVerified livePublish an original interactive notebook showing transparent your tool benchmark, privacy, performance, or tool-usage data and cite the relevant your tool pages.Use only public/non-sensitive data; public notebooks and referenced files are indexable, reusable, and must have accurate sources and licensing.https://observablehq.com/documentation/collaboration/sharingOpen Observable submit page (new tab)Observable details
9783Odoo Apps Store90Link type unknownodoo.comMarketplaces and app storesFree + paid tierQuickHighVerified liveBuild and document an your tool Odoo module, register its repository, and upload a maintained free or paid listing.Odoo must receive repository read access; metadata, compatibility, licensing, screenshots, and support must follow store rules.Official Odoo Apps upload page checked 2026-08-07Open Odoo Apps Store submit page (new tab)Odoo Apps Store details
9883Pressbooks Self-Publisher75Link type unknownpressbooks.comPublishing platformsFree + paid tierQuickHighVerified liveCreate an accessible, openly licensed handbook or course text with structured chapters, exercises, citations, and relevant links, then make the webbook public for directory discovery.One book per self-publisher subscription; ongoing editing requires a paid plan. Use an open license for durable open hosting/discoverability after cancellation and ensure the book is substantive, accessible, and rights-cleared.2026-08-03Open Pressbooks Self-Publisher submit page (new tab)Pressbooks Self-Publisher details
9983Qwoted50Link type unknownqwoted.comPR and source platformsFree + paid tierQuickHighNeeds checkingCreate expert/source profile for media coverage requests.Respond fast with unique founder/product data.2026-07-30Open Qwoted submit page (new tab)Qwoted details
10083ShipList—Link type unknownshipli.stOther opportunitiesFree + paid tierQuickHighVerified liveUse the free listing path for your tool; evaluate paid multi-directory service separately.Keep this task to the direct ShipList profile; do not authorize bulk third-party submissions blindly.2026-08-05Open ShipList submit page (new tab)ShipList details

How to build backlinks with this list

Four steps that work for a new site, a SaaS or a side project. No paid link packages, nothing that risks a penalty.

  1. Get the basics right first

    Before submitting anywhere, have a one-line description, a 150-word description, a square logo and two or three screenshots ready. Every form asks for some mix of these.

  2. Claim profiles and free listings

    Start with the free, quick rows: profile creation sites and free directories. They are one form each and build the entity signals search engines use to understand who you are.

  3. Go after a few strong links

    Then pick a handful of high DA and dofollow sites that fit your niche, and write proper guest posts or launch posts for them. Ten relevant links beat a hundred random ones.

  4. Track and keep it clean

    Note where you submitted and when. Recheck after a month, update stale descriptions, and never pay for bulk link packages: they put the whole site at risk.

Behind the list

A link opportunity is not a link.

Every row here starts as a line in a sheet, gets normalised into one of 16 groups, scored for cost, effort and impact, and written up with the steps to actually submit. The floor below represents that pipeline.

Open the sheet view

An illustration of the AltF Backlinks floor: opportunities sourced at the back, vetted for cost and effort by the engineering pod, written up for outreach by the design pod, then tracked to placement along a line.

Backlink sites by category

Common questions

Do backlinks still matter for ranking in 2026?
Links remain one signal among many, and low-quality bulk links do more harm than good. What still works is being listed where your buyers actually look — directories with real traffic, registries your peers use, and launch platforms with engaged audiences. Every entry in this list is a place a human might plausibly find you, which is why they are worth submitting to regardless of link equity.
Which submissions should I do first?
Start with the quick wins filter: free, low effort, and not in the lowest priority band. 208 of the 1,964 entries qualify, and those are the ones where a single form submission gets you a live listing the same week. Launch platforms are worth saving until your product is genuinely ready, because you only get one good attempt at each.
How is the impact score calculated?
It starts from a hand-assigned priority band (do first, high, medium, later), then adjusts for cost and effort. A free, quick opportunity scores above a paid, involved one in the same band, because it is the one you can realistically finish today. The score is a queueing aid, not a measure of domain authority.
Are these links free?
1,628 of the 1,964 entries are free to submit to or offer a free tier that includes a listing. Cost is shown on every row, and the "nothing to pay" filter narrows the list to exactly those.
Which backlink sites are dofollow?
44 entries are known to give a followed link on a normal listing, and more give one only in some placements. The link type is shown on every row and can be filtered. Sites change their link policy without notice, so treat the label as a starting point and check the live page after you are listed. A nofollow link from a busy site still sends visitors and helps search engines discover you.
What does the DA number mean?
It is our estimate of the site's domain authority, a third-party style 0-100 score of how strong a domain's link profile is, rounded to the nearest 5. 1,580 of the 1,964 sites have one. It is useful for comparing sites, not a Google metric, so relevance to your niche still matters more.
How do I get backlinks for a new website?
1. Get the basics right first: Before submitting anywhere, have a one-line description, a 150-word description, a square logo and two or three screenshots ready. Every form asks for some mix of these. 2. Claim profiles and free listings: Start with the free, quick rows: profile creation sites and free directories. They are one form each and build the entity signals search engines use to understand who you are. 3. Go after a few strong links: Then pick a handful of high DA and dofollow sites that fit your niche, and write proper guest posts or launch posts for them. Ten relevant links beat a hundred random ones. 4. Track and keep it clean: Note where you submitted and when. Recheck after a month, update stale descriptions, and never pay for bulk link packages: they put the whole site at risk.
Will submitting everywhere hurt my site?
Submitting to spam directories can. That is why this list is curated rather than scraped, and why entries carry a status showing whether they have been verified as live. Skip anything that promises hundreds of links for a fee, and prefer places where a real person reviews submissions.