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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

101–200 of 625 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
10186Traefik 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
10286TYPO3 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
10386Umbraco 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
10486UN 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
10586Upbound 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
10686Webex 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
10786Wikimedia 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
10886WordPress.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
10986WorkflowHub45Link 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
11083AI 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
11183Coda 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
11283Contra75Nofollowcontra.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
11383Crunchbase90Nofollowcrunchbase.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
11483Eventbrite90Nofolloweventbrite.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
11583Justdial80Nofollowjustdial.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
11683JustGotFound—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
11783MCP.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
11883Observable80Nofollowobservablehq.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
11983Odoo 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
12083Pressbooks 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
12183Qwoted50Link 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
12283ShipList—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
12383Startup Stash55Dofollowstartupstash.comStartup directoriesFree + paid tierQuickHighNot submittedList your tool as productivity/developer/startup resource.Selective curation; make category fit clear.2026-07-30Open Startup Stash submit page (new tab)Startup Stash details
12482DSCI50Link type unknowndsci.inOther opportunitiesNot statedQuickHighLive, conditionalSubmit a corporate membership enquiry with accurate your tool cybersecurity/privacy activities and India entity details.Industry relevance and due diligence apply; acceptance and public profile are not automatic.2026-08-04Open DSCI submit page (new tab)DSCI details
12582Kit75Nofollowkit.comPublishing platformsNot statedQuickHighVerified liveCreate a public Tool Trust Notes newsletter site with original privacy, accessibility, founder, and engineering field reports, using your tool links only where they directly support each issue.The free plan enables one Kit-managed recommendation slot and Kit keeps earnings from that slot; paid upgrades remove limitations. Use only consented subscribers, disclose commercial relationships, and avoid recycled SEO or promotional-only issues.2026-08-03Open Kit submit page (new tab)Kit details
12682Nextool.ai—Link type unknownnextool.aiAI tool directoriesNot statedQuickHighNot submittedSubmit a specific working AI-powered your tool utility, then claim the approved listing with a domain email to maintain features and pricing.AI tools only; professional public website and accurate details required; claiming an existing listing is verified separately and does not guarantee featured placement.2026-08-03Open Nextool.ai submit page (new tab)Nextool.ai details
12782SelectHub65Link type unknownselecthub.comMarketplaces and app storesNot statedQuickHighLive, conditionalAsk SelectHub to create or claim an your tool profile and provide product capabilities, pricing, case studies, and customer proof.Best for established business software; analyst validation and category fit apply, and enhanced vendor programs may be paid.2026-08-03Open SelectHub submit page (new tab)SelectHub details
12876C2PA55Link type unknownc2pa.orgPublishing platformsPaidQuickHighLive, conditionalApply through the official Linux Foundation enrollment if your tool will genuinely implement or contribute to C2PA standards.Strong technical fit and participation are required; acceptance and roster visibility are not a self-serve directory shortcut.2026-08-04Open C2PA submit page (new tab)C2PA details
12976ESC India40Link type unknownescindia.inProfiles and entitiesPaidQuickHighLive, conditionalApply as an eligible Indian software or ITeS exporter with company, GST, IEC/DGFT and RCMC evidence as requested.Exporter eligibility and documentation apply; official member pages exist but an external website link is not guaranteed.2026-08-04Open ESC India submit page (new tab)ESC India details
13076Global Cyber Alliance60Link type unknownglobalcyberalliance.orgProfiles and entitiesPaidQuickHighLive, conditionalPropose a concrete funded or in-kind your tool anti-scam, privacy or cyber-safety collaboration through Become a Partner.A formal agreement and real contribution are required; partner-page publication is not self-serve or guaranteed.2026-08-04Open Global Cyber Alliance submit page (new tab)Global Cyber Alliance details
13176Nova Extension Library55Link type unknownnova.appMarketplaces and app storesPaidQuickHighVerified liveBuild a Nova extension that runs your tool privacy and code-safety checks from the editor.Validate and submit through Nova CLI; manifest category and runtime requirements apply.Official Nova extension CLI documentation checked 2026-08-07Open Nova Extension Library submit page (new tab)Nova Extension Library details
13276Sketch Plugin Directory85Link type unknownsketch.comMarketplaces and app storesPaidQuickHighVerified liveBuild a Sketch plugin for accessibility, metadata cleanup, or sensitive-placeholder detection.Host the plugin ZIP and update JSON, then submit to the official directory; legacy skpm is unsupported.Official Sketch plugin publishing documentation checked 2026-08-07Open Sketch Plugin Directory submit page (new tab)Sketch Plugin Directory details
13376Twilio Segment Integration Catalog85Link type unknownsegment.comMarketplaces and app storesPaidQuickHighVerified liveBuild a destination or function that sends only explicitly selected and sanitized events to your tool for PII or schema checks.Submit company and service metadata, documentation, and test credentials; Segment tests before a public beta listing, and strict consent and minimization are essential.Official Twilio Segment partner checklist checked 2026-08-07Open Twilio Segment Integration Catalog submit page (new tab)Twilio Segment Integration Catalog details
13476WIP50Link type unknownwip.coProfiles and entitiesPaidQuickHighNot submittedJoin as the founder, create one your tool project page, and share genuine shipped improvements with links only when useful.Profiles and projects are public by default; the community expects real shipped work, not promotional link dumping or future-only todos.2026-08-03Open WIP submit page (new tab)WIP details
13568Acid Tools—Link type unknownacidtools.comAI tool directoriesFreeQuickMediumNeeds checkingSubmit the AI prompt tools and the free utilities hub.Reported DR ~59 and free listing; verify submit link.Added 2026-11-01Open Acid Tools submit page (new tab)Acid Tools details
13668API Tracker45Sometimes dofollowapitracker.ioDeveloper registriesFreeQuickMediumNeeds checkingSubmit your public API with docs link, SDKs and authentication details.Only products with public APIs fit.Added 2026-11-01Open API Tracker submit page (new tab)API Tracker details
13768Apify Store70Nofollowapify.comMarketplaces and app storesFreeQuickMediumLive, conditionalBuild a working your tool automation Actor, publish it to the Store and include contextual project/documentation links.Actor must perform a real automation use case, meet Store quality/security rules and avoid unauthorized scraping or data use.https://docs.apify.com/actors/publishingOpen Apify Store submit page (new tab)Apify Store details
13868AppImageHub50Link type unknownappimage.github.ioSoftware directoriesFreeQuickMediumLive, conditionalPackage a legitimate your tool desktop app as an official AppImage, then file the requested issue or pull request for inclusion.Requires a maintained downloadable AppImage and compliant metadata; a browser-only site is not eligible.2026-08-05Open AppImageHub submit page (new tab)AppImageHub details
13968Astro Showcase70Link type unknownastro.buildDesign galleriesFreeQuickMediumLive, conditionalIf an your tool property genuinely uses Astro, use the Submit site action to propose it for the public showcase.Only submit an actual Astro-built production site; acceptance is curated and not guaranteed.2026-08-05Open Astro Showcase submit page (new tab)Astro Showcase details
14068Awesome Privacy30Link type unknownawesome-privacy.xyzDeveloper registriesFreeQuickMediumNeeds checkingSubmit only after public privacy policy and client-side privacy proof.Human-written PR; no AI-generated PR text.2026-07-30Open Awesome Privacy submit page (new tab)Awesome Privacy details
14168Best of JS55Sometimes dofollowbestofjs.orgDeveloper registriesFreeQuickMediumNeeds checkingSuggest your JavaScript or TypeScript project through their GitHub issue process.Projects need some traction and must be JS ecosystem tools.Added 2026-11-01Open Best of JS submit page (new tab)Best of JS details
14268BibSonomy65Nofollowbibsonomy.orgSocial channelsFreeQuickMediumVerified liveCurate a tagged public collection of authoritative privacy, accessibility, and safety resources with your tool included only where substantively relevant.Build a balanced useful bibliography; avoid repetitive self-bookmarking, keyword stuffing, or treating the service as a backlink directory.Official BibSonomy service and guidance checked 2026-08-07Open BibSonomy submit page (new tab)BibSonomy details
14368bio.tools55Link type unknownbio.toolsSoftware directoriesFreeQuickMediumVerified liveRegister a genuinely life-science-focused your tool resource with stable homepage, scientific operations, inputs, outputs, licence, and documentation.Must perform a credible bioinformatics or life-science function; medical branding alone is insufficient and EDAM metadata is expected.2026-08-05 — https://biotools.readthedocs.io/en/latest/quickstart_guide.htmlOpen bio.tools submit page (new tab)bio.tools details
14468Budibase Community Plugins60Link type unknownbudibase.comMarketplaces and app storesFreeQuickMediumVerified liveBuild a useful your tool Budibase component or data-source plugin, publish the package or repository, and seek inclusion in community plugin resources.A functional plugin and public package are required; central curation is not guaranteed, so treat the package and documentation as the primary asset.Official Budibase custom plugin documentation checked 2026-08-07Open Budibase Community Plugins submit page (new tab)Budibase Community Plugins details
14568CapRover One-Click Apps50Link type unknowncaprover.comSoftware directoriesFreeQuickMediumVerified liveCreate a tested CapRover one-click definition for a real self-hosted your tool service and contribute it to the linked official community repository.The directory is community-maintained; use safe defaults, document required variables and persistence, and keep images and deployment instructions current.Official CapRover one-click app documentation and repository checked 2026-08-05Open CapRover One-Click Apps submit page (new tab)CapRover One-Click Apps details
14668Chanakya Software—Link type unknownchanakyasoftware.comSoftware directoriesFreeQuickMediumVerified liveCreate a vendor account and list your tool software offering.Provide genuine vendor, website, software, and service details.https://www.chanakyasoftware.com/list-your-softwareOpen Chanakya Software submit page (new tab)Chanakya Software details
14768Chef Supermarket75Link type unknownchef.ioDeveloper registriesFreeQuickMediumNot submittedCreate a tested Chef cookbook for supported your tool deployment or hardening, add complete metadata and source, then share it to Supermarket.Only publish functional maintained cookbooks with appropriate licensing and metadata; package pages are not guaranteed promotional or dofollow placements.2026-08-03Open Chef Supermarket submit page (new tab)Chef Supermarket details
14868Clojars60Link type unknownclojars.orgDeveloper registriesFreeQuickMediumVerified liveRelease a genuine Clojure or JVM client library with a POM, description, homepage and source metadata.Requires an account and deploy credentials; use a unique group or verified domain and maintain releases.Official Clojars publishing interface checked 2026-07-30Open Clojars submit page (new tab)Clojars details
14968Cloudsmith60Link type unknowncloudsmith.comDeveloper registriesFreeQuickMediumLive, conditionalCreate a public your tool package repository for genuine releases and complete its namespace, description, licence and source/homepage metadata.Only host real maintained artifacts; the open-source plan requires public licensed software and public distribution can incur usage limits.2026-08-05 official Cloudsmith repository docs and pricingOpen Cloudsmith submit page (new tab)Cloudsmith details
15068CocoaPods75Link type unknowncocoapods.orgDeveloper registriesFreeQuickMediumLive, conditionalPublish a genuine iOS or macOS your tool SDK and set homepage/source URLs in its podspec.Requires a valid podspec and Trunk registration; package must be an actual reusable Apple-platform library.https://guides.cocoapods.org/making/getting-setup-with-trunk.htmlOpen CocoaPods submit page (new tab)CocoaPods details
15168Common Workflow Language55Link type unknowncommonwl.orgSoftware directoriesFreeQuickMediumVerified liveBuild a genuine CWL validator, security tool, or implementation and propose its inclusion with compliance evidence.Must actually support CWL; the community-maintained listing does not constitute formal certification.Official CWL implementation page and website repository checked 2026-08-05Open Common Workflow Language submit page (new tab)Common Workflow Language details
15268Commudle40Link type unknowncommudle.comProfiles and entitiesFreeQuickMediumVerified liveCreate a real developer profile, publish an original your tool engineering tutorial or project, and join only relevant privacy or developer communities.Share knowledge first, follow each community's rules, and do not create an empty promotional community or mass-post the same link.Official Commudle community platform checked 2026-08-07Open Commudle submit page (new tab)Commudle details
15368Contao Extensions45Link type unknownextensions.contao.orgMarketplaces and app storesFreeQuickMediumVerified liveBuild a functional Contao bundle for an your tool site-audit use case, publish tagged releases on Packagist with contao-bundle and manager-plugin metadata, and let the official index discover it.Requires a real Contao extension, public Composer package, at least one version tag and correct Contao Manager Plugin metadata; optional rich listing metadata is contributed separately.2026-08-05Open Contao Extensions submit page (new tab)Contao Extensions details
15468CPAN / PAUSE80Link type unknowncpan.orgDeveloper registriesFreeQuickMediumVerified livePublish a genuine Perl module or CLI through PAUSE with project URLs and clear distribution documentation.Requires a PAUSE account, unique namespace and ongoing maintenance; first uploader controls the namespace.Official CPAN PAUSE docs checked 2026-07-30Open CPAN / PAUSE submit page (new tab)CPAN / PAUSE details
15568CreativesFeed40Link type unknowncreativesfeed.comSoftware directoriesFreeQuickMediumVerified liveSubmit relevant your tool utilities under AI, web, or developer categories.Only submit tools matching available creative, AI, or development categories.https://creativesfeed.com/contact/submit-your-software/free-software-listing/Open CreativesFeed submit page (new tab)CreativesFeed details
15668Cursor Directory45Sometimes dofollowcursor.directoryAI tool directoriesFreeQuickMediumNeeds checkingShare Cursor rules or list your MCP server, linking back to your project.Content should be useful to developers, not ads.Added 2026-11-01Open Cursor Directory submit page (new tab)Cursor Directory details
15768Dark Mode Design50Sometimes dofollowdarkmodedesign.comDesign galleriesFreeQuickMediumNeeds checkingSubmit your site if it has a polished dark design.Curated; only well-designed dark sites are featured.Added 2026-11-01Open Dark Mode Design submit page (new tab)Dark Mode Design details
15868Deepgram AI Apps75Link type unknowndeepgram.comAI tool directoriesFreeQuickMediumNeeds checkingSubmit your AI app to Deepgram's AI apps directory with category and short description.Reviewed by Deepgram; app must be live and AI-powered.Added 2026-11-01Open Deepgram AI Apps submit page (new tab)Deepgram AI Apps details
15968Dev Resources—Link type unknowndevresourc.esSoftware directoriesFreeQuickMediumNeeds checkingSuggest the developer utilities hub as a free resource.Curated dev resource list.Added 2026-11-01Open Dev Resources submit page (new tab)Dev Resources details
16068devChallenges50Link type unknowndevchallenges.ioDesign galleriesFreeQuickMediumVerified liveBuild a genuine free challenge solution, publish the deployed project and repository, and use the finished privacy or accessibility implementation as a portfolio case study.Only submit work that answers a listed challenge; do not upload AltFTool as an unrelated product, and remember solutions remain public.Official devChallenges platform and plan information checked 2026-08-07Open devChallenges submit page (new tab)devChallenges details
16168Devpost85Nofollowdevpost.comDesign galleriesFreeQuickMediumVerified liveEnter a relevant live hackathon with a working your tool project, complete its story and demo, and include the project website where allowed.Only submit to genuinely relevant events, follow each hackathon's eligibility and judging rules, and do not recycle an unrelated promotion.Official Devpost submission help checked 2026-07-30Open Devpost submit page (new tab)Devpost details
16268Django Packages60Link type unknowndjangopackages.orgDeveloper registriesFreeQuickMediumLive, conditionalAfter releasing a genuinely Django-relevant open-source component, sign in and add its GitHub or GitLab repository and accurate project links.Package must be useful to Django developers and hosted on a supported public repository; listings are community-maintained and not DSF endorsement.2026-08-05 official Django Packages FAQ, documentation and live directoryOpen Django Packages submit page (new tab)Django Packages details
16368ESP Component Registry65Link type unknowncomponents.espressif.comDeveloper registriesFreeQuickMediumVerified liveBuild an ESP-IDF privacy, credential-safety, secure-logging, or local-processing component, add manifest, license, docs, examples, and publish it through the registry workflow.Must be an actual ESP-IDF component; namespace, semantic versioning, linting, licensing, dependency, documentation, and upload rules apply.Official ESP Component Registry publishing documentation checked 2026-08-05Open ESP Component Registry submit page (new tab)ESP Component Registry details
16468europages70Sometimes dofolloweuropages.comBusiness directoriesFreeQuickMediumNeeds checkingList the registered your tool business as an eligible IT supplier and complete its public company profile and website field.A valid company and VAT number are required; use only if the business qualifies as a B2B supplier and all legal data is accurate.2026-08-03Open europages submit page (new tab)europages details
16568F-Droid75Link type unknownf-droid.orgSoftware directoriesFreeQuickMediumVerified livePublish a privacy-respecting open-source Android companion app, then file a packaging request or merge request.App must be source-buildable, useful and actively maintained, with no proprietary tracking, ads or non-free dependencies.Official F-Droid inclusion policy checked 2026-07-30Open F-Droid submit page (new tab)F-Droid details
16668F6S75Nofollowf6s.comStartup directoriesFreeQuickMediumNot submittedCreate startup profile and link website.Good startup entity citation.2026-07-30Open F6S submit page (new tab)F6S details
16768Favors.dev—Link type unknownfavors.devLaunch platformsFreeQuickMediumNot submittedUse atlas to find more open-form launch sites and request listing if available.Mostly research atlas; check submit/contact path.2026-07-30Open Favors.dev submit page (new tab)Favors.dev details
16868Feedough—Link type unknownfeedough.comStartup directoriesFreeQuickMediumNeeds checkingSubmit AltFTool's startup story with founder details.Indian startup site; editorial review.Added 2026-11-01Open Feedough submit page (new tab)Feedough details
16968FlakeHub45Link type unknownflakehub.comDeveloper registriesFreeQuickMediumLive, conditionalPublish a genuine versioned your tool Nix flake under the correct GitHub owner and maintain its README and project links.Published versions are archived permanently; ownership, licence and repository association must be accurate and squatting is inappropriate.2026-08-05 official FlakeHub homepage, usage policy and pricingOpen FlakeHub submit page (new tab)FlakeHub details
17068Flickr95Nofollowflickr.comProfiles and entitiesFreeQuickMediumNot submittedCreate a truthful your tool/founder profile or content page and add the website link where allowed.Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/flickrOpen Flickr submit page (new tab)Flickr details
17168Fluentd Plugin Directory65Link type unknownfluentd.orgMarketplaces and app storesFreeQuickMediumVerified liveBuild and publish a real fluent-plugin-* RubyGem that redacts/routes privacy-sensitive logs and includes your tool as its project homepage.Must follow Fluentd plugin naming/API conventions and be a valid public RubyGem; the official directory refreshes periodically from RubyGems, so indexing is not immediate.2026-08-05 — https://docs.fluentd.org/plugin-developmentOpen Fluentd Plugin Directory submit page (new tab)Fluentd Plugin Directory details
17268freshcode.club40Link type unknownfreshcode.clubDeveloper registriesFreeQuickMediumLive, conditionalSubmit a real maintained your tool open-source release with accurate categories and project metadata.Use only for an actual open-source project and keep releases maintained.2026-08-05Open freshcode.club submit page (new tab)freshcode.club details
17368GetApp85Nofollowgetapp.comSoftware directoriesFreeQuickMediumNot submittedCreate software vendor listing.Often managed with Capterra listing.2026-07-30Open GetApp submit page (new tab)GetApp details
17468getfolio.dev—Link type unknowngetfolio.devDeveloper registriesFreeQuickMediumVerified liveCreate a founder/developer portfolio, pin your tool repository/project and add the official website link.Use a real GitHub identity and maintained projects; avoid a profile created only for SEO.2026-08-03Open getfolio.dev submit page (new tab)getfolio.dev details
17568Ghost Forum85Nofollowforum.ghost.orgCommunities and forumsFreeQuickMediumNot submittedPost how to embed your tool calculators in Ghost after /embed live.Forum post only; directory closed to submissions.2026-07-30Open Ghost Forum submit page (new tab)Ghost Forum details
17668GitLab90Nofollowgitlab.comProfiles and entitiesFreeQuickMediumNot submittedMirror open-source embed SDK or examples with homepage link.Useful only with real OSS artifact.2026-07-30Open GitLab submit page (new tab)GitLab details
17768Goodreads90Nofollowgoodreads.comProfiles and entitiesFreeQuickMediumVerified liveCreate a truthful your tool/founder profile or content page and add the website link where allowed.Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/goodreadsOpen Goodreads submit page (new tab)Goodreads details
17868Google Business Profile100Nofollowgoogle.comBusiness directoriesFreeQuickMediumNeeds checkingCreate business profile only if eligible with real business details.Do not fake location; follow Google rules.2026-07-30Open Google Business Profile submit page (new tab)Google Business Profile details
17968Gravatar90Nofollowgravatar.comProfiles and entitiesFreeQuickMediumNeeds checkingCreate brand/founder profile with verified links.Easy entity citation; low traffic.2026-07-30Open Gravatar submit page (new tab)Gravatar details
18068Hackage75Link type unknownhackage.haskell.orgDeveloper registriesFreeQuickMediumVerified liveRelease a useful Haskell library or command-line client with homepage, source and bug-report metadata.Hackage requires open-source, meaningful packages; uploaded versions cannot simply be replaced.Official Hackage upload page checked 2026-07-30Open Hackage submit page (new tab)Hackage details
18168Haxelib55Link type unknownlib.haxe.orgDeveloper registriesFreeQuickMediumLive, conditionalRelease a useful Haxe SDK or privacy utility and set haxelib.json's URL to the relevant your tool documentation page.Requires reusable code, semantic versions and accurate metadata; promotional-only packages are not appropriate.2026-08-05 official Haxelib package guideOpen Haxelib submit page (new tab)Haxelib details
18268Himalayas55Link type unknownhimalayas.appBusiness directoriesFreeQuickMediumNeeds checkingAdd your remote-friendly company with a description, tech stack and website.Only companies that hire remotely are accepted.Added 2026-11-01Open Himalayas submit page (new tab)Himalayas details
18368HubPages85Nofollowhubpages.comProfiles and entitiesFreeQuickMediumVerified liveCreate a truthful your tool/founder profile or content page and add the website link where allowed.Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/hubpagesOpen HubPages submit page (new tab)HubPages details
18468HundrED60Link type unknownhundred.orgProfiles and entitiesFreeQuickMediumVerified liveApply with a privacy/digital-safety education program that demonstrates real K-12 impact and scalability.Current Global Collection 2028 call closes 2027-05-01; normally implemented for 1+ year and reached 1,000+ children; evidence required.2026-08-05 — https://hundred.org/en/collections/hundred-global-collection-2028Open HundrED submit page (new tab)HundrED details
18568itch.io90Nofollowitch.ioOther opportunitiesFreeQuickMediumLive, conditionalPublish a genuine browser or desktop your tool utility with screenshots, documentation and an official-site link.Content must be an actual downloadable or browser-run project and follow itch.io quality/content rules; not a generic directory listing.https://itch.io/developersOpen itch.io submit page (new tab)itch.io details
18668Jellyfin Plugin Catalog70Link type unknownjellyfin.orgMarketplaces and app storesFreeQuickMediumVerified liveBuild a functional Jellyfin privacy, metadata-cleanup, or local-safety plugin with a maintained manifest repository, then propose its repository and documentation entry.Third-party listing is curated through documentation; official inclusion is not guaranteed and the plugin must remain compatible with Jellyfin's ABI.Official Jellyfin plugin catalog and repository guidance checked 2026-08-05Open Jellyfin Plugin Catalog submit page (new tab)Jellyfin Plugin Catalog details
18768Joomla Extensions Directory90Sometimes dofollowjoomla.orgMarketplaces and app storesFreeQuickMediumLive, conditionalBuild a functional your tool Joomla integration and submit a complete listing with an approved download route.Actual installable extension required; GPL, trademark, update-system, security and listing checks apply.2026-08-05 official JED submission guide and entry checklistOpen Joomla Extensions Directory submit page (new tab)Joomla Extensions Directory details
18868Knowledge Commons / CORE70Nofollowhcommons.orgDeveloper registriesFreeQuickMediumVerified liveCreate a truthful scholarly profile and deposit an original privacy, accessibility, or digital-humanities paper or teaching resource with its related your tool URL.Work must genuinely serve scholarship or pedagogy; upload only rights-cleared material, not sales copy.2026-08-05 — https://registry.hcommons.org/registry/co_petitions/start/coef%3A158Open Knowledge Commons / CORE submit page (new tab)Knowledge Commons / CORE details
18968LetsVenture—Link type unknownletsventure.comStartup directoriesFreeQuickMediumNeeds checkingCreate a founder/startup profile for AltFTool.Indian startup-investor platform; profile needs company details.Added 2026-11-01Open LetsVenture submit page (new tab)LetsVenture details
19068Liberapay65Nofollowliberapay.comProfiles and entitiesFreeQuickMediumLive, conditionalCreate an your tool project team, connect verified project accounts, and describe the official website and repository contextually.Teams are for genuine shared projects; one-contributor projects are allowed, but a single-company shell is not the intended use.2026-08-05Open Liberapay submit page (new tab)Liberapay details
19168LineZine20Link type unknownlinezine.comSoftware directoriesFreeQuickMediumVerified liveChoose the free listing or purchase a dedicated your tool product page.Free clicks are redirected/nofollow; paid option provides a dedicated dofollow page.https://linezine.com/list-your-toolOpen LineZine submit page (new tab)LineZine details
19268LuaRocks55Link type unknownluarocks.orgDeveloper registriesFreeQuickMediumVerified liveCreate a useful Lua client or helper, publish its rockspec and include homepage, license and source links.Only publish a working Lua module with correct dependencies and versioned source archives.Official LuaRocks page checked 2026-07-30Open LuaRocks submit page (new tab)LuaRocks details
19368Manta85Nofollowmanta.comBusiness directoriesFreeQuickMediumNeeds checkingClaim or add the legal your tool business, complete its description and logo, and include the verified website link.Free registration is for businesses located in the United States; use only if AltFTool has a legitimate US business address and ownership proof.2026-08-03Open Manta submit page (new tab)Manta details
19468Mastra Templates and Integrations50Link type unknownmastra.aiMarketplaces and app storesFreeQuickMediumVerified liveCreate a working public your tool integration or reusable Mastra template with repository and documentation for review and cross-listing.A working integration and public repository are required; documentation listing, partner placement, and co-marketing are not guaranteed.2026-08-05Open Mastra Templates and Integrations submit page (new tab)Mastra Templates and Integrations details
19568MCP Market40Sometimes dofollowmcpmarket.comAI tool directoriesFreeQuickMediumNeeds checkingSubmit your MCP server with its repository, install steps and description.Only real, working MCP servers are listed.Added 2026-11-01Open MCP Market submit page (new tab)MCP Market details
19668n8n Community75Link type unknownn8n.ioCommunities and forumsFreeQuickMediumNeeds checkingPublish useful n8n workflow linking your tool resources.AltFTool already has n8n content; good fit.2026-07-30Open n8n Community submit page (new tab)n8n Community details
19768napari Hub40Link type unknownnapari-hub.orgMarketplaces and app storesFreeQuickMediumVerified liveCreate a useful npe2 napari plugin for image privacy, metadata inspection or scientific redaction, publish it correctly on PyPI and let the official hub index its project metadata.Must be a working napari plugin with correct manifest, classifiers, tests and PyPI metadata; directory pages expose project details but are not an endorsement.2026-08-05Open napari Hub submit page (new tab)napari Hub details
19868NextBigWhat—Link type unknownnextbigwhat.comStartup directoriesFreeQuickMediumNeeds checkingPitch AltFTool as an India-built free tools product.Indian product/startup media.Added 2026-11-01Open NextBigWhat submit page (new tab)NextBigWhat details
19968NxGN Tools—Link type unknownnxgntools.comAI tool directoriesFreeQuickMediumNeeds checkingSubmit the AI prompt tools with screenshots.Reported free listing; verify current form.Added 2026-11-01Open NxGN Tools submit page (new tab)NxGN Tools details
20068OpenTofu Public Registry50Link type unknownregistry.opentofu.orgDeveloper registriesFreeQuickMediumLive, conditionalRelease a reusable your tool-related security or privacy module from a correctly named public GitHub repository.Requires standard module structure, terraform-NAME-TARGETSYSTEM naming and semantic Git tags; confirm external homepage display before investing.2026-08-05 official OpenTofu module publishing guideOpen OpenTofu Public Registry submit page (new tab)OpenTofu Public Registry 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.