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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

1,201–1,300 of 1,628 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
120146CTAN75Link type unknownctan.orgDeveloper registriesFreeModerateLaterLive, conditionalCreate a genuine LaTeX privacy, redaction or document-safety package and include its exact your tool project homepage in the upload metadata.Requires distributable source, documentation, licence and maintainer rights; every upload is manually reviewed.2026-08-05 official CTAN upload formOpen CTAN submit page (new tab)CTAN details
120246Cults65Nofollowcults3d.comProfiles and entitiesFreeModerateLaterNeeds checkingOpen a designer profile and upload free or paid 3D models.Uploaded files must be your own designs.Added 2026-11-01Open Cults submit page (new tab)Cults details
120346CustomerThink60Sometimes dofollowcustomerthink.comGuest posting sitesFreeModerateLaterNeeds checkingRegister and apply to become an author, then publish articles on customer experience, CRM or service.Posts are moderated and must offer insight rather than promote a vendor.Added 2026-11-01Open CustomerThink submit page (new tab)CustomerThink details
120446Cytoscape App Store55Link type unknownapps.cytoscape.orgMarketplaces and app storesFreeModerateLaterVerified liveBuild a Cytoscape 3 app for a genuine graph privacy, provenance or network-audit workflow, provide website/source metadata and submit its first release for administrator approval.Must add real Cytoscape functionality and remain compatible; the first release is manually approved and a generic external-link launcher is inappropriate.2026-08-05Open Cytoscape App Store submit page (new tab)Cytoscape App Store details
120546Datafloq55Sometimes dofollowdatafloq.comGuest posting sitesFreeModerateLaterNeeds checkingCreate an account and submit an article on big data, AI or emerging technology for editorial review.Articles are moderated for quality and must not be thinly veiled product promotion.Added 2026-11-01Open Datafloq submit page (new tab)Datafloq details
120646Debian Package Archive90Link type unknownpackages.debian.orgDeveloper registriesFreeModerateLaterVerified liveCreate a policy-compliant Debian package for a stable useful your tool CLI, file the appropriate intent-to-package request, include accurate upstream metadata and secure a Debian sponsor for upload.High-effort maintainership commitment: must be distributable, lintian-clean, reproducibly buildable and useful to Debian users; non-developers need sponsor review, and acceptance into NEW is not guaranteed.2026-08-05Open Debian Package Archive submit page (new tab)Debian Package Archive details
120746designboom85Sometimes dofollowdesignboom.comDesign galleriesFreeModerateLaterNeeds checkingSubmit a design or architecture project through their DIY submission tool with images and text.Editorial selection; product-design and tech projects need a strong design angle.Added 2026-11-01Open designboom submit page (new tab)designboom details
120846Designer News60Nofollowdesignernews.coDesign galleriesFreeModerateLaterNeeds checkingShare design/tool launch if genuinely useful.Community norms; no bare link drop.2026-07-30Open Designer News submit page (new tab)Designer News details
120946Dev Genius45Nofollowdevgenius.ioGuest posting sitesFreeModerateLaterNeeds checkingRequest writer access and submit coding tutorials or engineering write-ups through Medium.Original technical content only; links are typically nofollow.Added 2026-11-01Open Dev Genius submit page (new tab)Dev Genius details
121046Differ30Link type unknowndiffer.blogPublishing platformsFreeModerateLaterNeeds checkingPublish or cross-post articles with a canonical link to your original.Small platform; worth it mainly as a syndication copy.Added 2026-11-01Open Differ submit page (new tab)Differ details
121146DUB Registry60Link type unknowncode.dlang.orgDeveloper registriesFreeModerateLaterLive, conditionalPublish a useful D client library or privacy utility with accurate homepage and repository metadata in dub.json or dub.sdl.Requires maintained public D source and valid package metadata; verify that the desired homepage field appears on the public listing.2026-08-05 official DUB Registry and package metadata documentationOpen DUB Registry submit page (new tab)DUB Registry details
121246ElevenForum50Link type unknownelevenforum.comCommunities and forumsFreeModerateLaterNeeds checkingHelp Windows 11 users and keep your site on your profile.New accounts posting links are often held for review.Added 2026-11-01Open ElevenForum submit page (new tab)ElevenForum details
121346Elm Packages60Nofollowpackage.elm-lang.orgDeveloper registriesFreeModerateLaterNeeds checkingPublish an Elm package with docs and a repository link.Semver is enforced and docs are required.Added 2026-11-01Open Elm Packages submit page (new tab)Elm Packages details
121446Entrepreneur's Handbook60Nofollowentrepreneurshandbook.coGuest posting sitesFreeModerateLaterNeeds checkingApply to write for the publication and submit startup or founder lessons through Medium.Editors pick experience-based stories and reject promotional posts; links are usually nofollow.Added 2026-11-01Open Entrepreneur's Handbook submit page (new tab)Entrepreneur's Handbook details
121546FictionPress75Link type unknownfictionpress.comPublishing platformsFreeModerateLaterNeeds checkingPost an original story and add your homepage to your author profile.Original fiction and poetry only; read their content guidelines first.Added 2026-11-01Open FictionPress submit page (new tab)FictionPress details
121646FilePuma60Link type unknownfilepuma.comOther opportunitiesFreeModerateLaterLive, conditionalSubmit only after your tool releases a signed Windows desktop utility.Not suitable for a web-only site; requires downloadable software or PAD data.https://www.filepuma.com/submit_program/Open FilePuma submit page (new tab)FilePuma details
121746Finextra Community75Sometimes dofollowfinextra.comPublishing platformsFreeModerateLaterNeeds checkingRegister as a member and publish blog posts on fintech, payments or banking technology.Blogs are moderated and must offer insight; press releases posted as blogs are removed.Added 2026-11-01Open Finextra Community submit page (new tab)Finextra Community details
121846Fiverr95Nofollowfiverr.comProfiles and entitiesFreeModerateLaterNeeds checkingCreate a seller profile and gigs that describe services you really offer.External links in gigs and messages are restricted; follow their off-platform rules.Added 2026-11-01Open Fiverr submit page (new tab)Fiverr details
121946Fonts In Use65Sometimes dofollowfontsinuse.comDesign galleriesFreeModerateLaterNeeds checkingDocument a project that uses notable typography and credit your site or studio.Entries are edited for accuracy; self-submissions need genuine typographic interest.Added 2026-11-01Open Fonts In Use submit page (new tab)Fonts In Use details
122046FounderApp—Link type unknownfounderapp.comStartup directoriesFreeModerateLaterLive, conditionalBuild the founder/company profile and add accurate your tool links, stage and product details.New beta platform; verify that the finished company profile is public before investing time.2026-08-03Open FounderApp submit page (new tab)FounderApp details
122146FoundrList—Link type unknownfoundrlist.comProfiles and entitiesFreeModerateLaterNeeds checkingCreate 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. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/foundrlistOpen FoundrList submit page (new tab)FoundrList details
122246FreeBSD Ports Collection85Link type unknownfreebsd.orgDeveloper registriesFreeModerateLaterVerified liveCreate and thoroughly test a FreeBSD port for a stable your tool CLI or desktop utility, include its canonical project website in WWW metadata and submit the patch through FreeBSD Bugzilla.Anyone may submit, but the software must have a stable source release, acceptable licence, correct checksums/plist and clean builds; a volunteer maintainer is mandatory and review can take months.2026-08-05Open FreeBSD Ports Collection submit page (new tab)FreeBSD Ports Collection details
122346Freepik Contributor90Nofollowfreepik.comMarketplaces and app storesFreeModerateLaterNeeds checkingBecome a contributor and upload vectors, photos or templates.Files are reviewed; AI content must be labelled.Added 2026-11-01Open Freepik Contributor submit page (new tab)Freepik Contributor details
122446Galaxy ToolShed55Link type unknowntoolshed.g2.bx.psu.eduMarketplaces and app storesFreeModerateLaterVerified liveBuild a tested Galaxy wrapper for an your tool medical-data privacy or de-identification workflow and publish it in the main ToolShed.Only suitable for a functioning Galaxy utility; develop and test locally, follow Planemo and IUC practices, then create and upload a repository.2026-08-05 — https://galaxyproject.org/toolshed/Open Galaxy ToolShed submit page (new tab)Galaxy ToolShed details
122546Game Developer Blogs85Sometimes dofollowgamedeveloper.comPublishing platformsFreeModerateLaterNeeds checkingCreate an account and publish a member blog on game development, tools or postmortems.Blogs are reviewed and must be about game development; promotional posts may not be featured.Added 2026-11-01Open Game Developer Blogs submit page (new tab)Game Developer Blogs details
122646Game Jolt75Nofollowgamejolt.comProfiles and entitiesFreeModerateLaterNeeds checkingMake a creator profile and publish your game with links to your site.Content guidelines apply; empty game pages may be hidden.Added 2026-11-01Open Game Jolt submit page (new tab)Game Jolt details
122746Gamedev.js—Link type unknowngamedevjs.comPublishing platformsFreeModerateLaterNeeds checkingEnter the yearly Gamedev.js Jam or send your web game or article for their HTML5 game dev newsletter.Editorial choice for the newsletter; the jam runs once a year on itch.io.Added 2026-11-01Open Gamedev.js submit page (new tab)Gamedev.js details
122846GameDistribution55Link type unknowngamedistribution.comMarketplaces and app storesFreeModerateLaterNeeds checkingCreate a developer account, upload your HTML5 game and let it be syndicated to partner game sites, with your studio named on the listing.Their SDK must be integrated before games are approved; revenue comes from ads they serve.Added 2026-11-01Open GameDistribution submit page (new tab)GameDistribution details
122946GameMonetize—Link type unknowngamemonetize.comMarketplaces and app storesFreeModerateLaterNeeds checkingRegister as a developer, upload your HTML5 game and integrate their SDK so it can be distributed to partner sites.Games are reviewed before distribution; SDK integration is required.Added 2026-11-01Open GameMonetize submit page (new tab)GameMonetize details
123046GamePix—Link type unknowngamepix.comMarketplaces and app storesFreeModerateLaterNeeds checkingSubmit an HTML5 game through their developer programme to have it listed and distributed with a studio credit.Games are reviewed for quality and technical fit before publishing.Added 2026-11-01Open GamePix submit page (new tab)GamePix details
123146GIPHY95Nofollowgiphy.comProfiles and entitiesFreeModerateLaterNeeds checkingCreate a brand or artist channel, upload GIFs and apply for verification.Unverified channels are not searchable; content is moderated.Added 2026-11-01Open GIPHY submit page (new tab)GIPHY details
123246Gitee85Link type unknowngitee.comProfiles and entitiesFreeModerateLaterNeeds checkingCreate an account, add a profile link and optionally mirror an open-source repo.Real-name verification is required for some features; content follows Chinese rules.Added 2026-11-01Open Gitee submit page (new tab)Gitee details
123346GitLab Pages80Dofollowgitlab.ioPublishing platformsFreeModerateLaterNeeds checkingDeploy a static docs or project site from a GitLab repository and link to your main site.Sites must follow GitLab's usage terms; spam or phishing pages are removed.Added 2026-11-01Open GitLab Pages submit page (new tab)GitLab Pages details
123446Hirely Startup Directory—Link type unknownhirely.maStartup directoriesFreeModerateLaterLive, conditionalSubmit the company profile with logo, industry, stage, location and official your tool URL.Confirm regional/category fit and provide a real business contact; approval is not guaranteed.2026-08-03Open Hirely Startup Directory submit page (new tab)Hirely Startup Directory details
123546Hive60Nofollowhive.blogPublishing platformsFreeModerateLaterNeeds checkingCreate a Hive account and publish posts in relevant communities, linking to your own content where useful.Posts are public and permanent; plagiarism and spam get downvoted and flagged by the community.Added 2026-11-01Open Hive submit page (new tab)Hive details
123646HN Personal Websites—Link type unknownhnpwd.github.ioBusiness directoriesFreeModerateLaterNeeds checkingSubmit your tool (or its blog/feed where required) under productivity, privacy or developer tools.Human review may apply; use a natural brand title and avoid keyword stuffing. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/hn-personal-websitesOpen HN Personal Websites submit page (new tab)HN Personal Websites details
123746Hugo Themes65Sometimes dofollowthemes.gohugo.ioDeveloper registriesFreeModerateLaterNeeds checkingAdd your Hugo theme following the theme repository submission steps.Theme needs a README, screenshots and an open license.Added 2026-11-01Open Hugo Themes submit page (new tab)Hugo Themes details
123846Hype Desk—Link type unknownhypedesk.comLaunch platformsFreeModerateLaterNeeds checkingSubmit new your tool feature/platform launch.Verify current submit flow.2026-07-30Open Hype Desk submit page (new tab)Hype Desk details
123946Indie Internet Index—Link type unknowniii.socialBusiness directoriesFreeModerateLaterNeeds checkingSubmit your tool (or its blog/feed where required) under productivity, privacy or developer tools.Human review may apply; use a natural brand title and avoid keyword stuffing. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/indie-internet-indexOpen Indie Internet Index submit page (new tab)Indie Internet Index details
124046IndieBlog.page35Dofollowindieblog.pagePublishing platformsFreeModerateLaterNeeds checkingSubmit your tool (or its blog/feed where required) under productivity, privacy or developer tools.Human review may apply; use a natural brand title and avoid keyword stuffing. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/indieblog-pageOpen IndieBlog.page submit page (new tab)IndieBlog.page details
124146IndieDB75Sometimes dofollowindiedb.comLaunch platformsFreeModerateLaterNeeds checkingAdd your indie game, post updates and link your studio site.Listings are reviewed; updates should be real dev news.Added 2026-11-01Open IndieDB submit page (new tab)IndieDB details
124246Inkitt70Link type unknowninkitt.comPublishing platformsFreeModerateLaterNeeds checkingPost an original novel and link your site from your writer profile.Original stories only; ads and spam posts are removed.Added 2026-11-01Open Inkitt submit page (new tab)Inkitt details
124346ioBroker Adapters50Link type unknowniobroker.netDeveloper registriesFreeModerateLaterVerified liveDevelop a stable ioBroker adapter for a credible your tool privacy/security API, publish the npm package, test it with users and request inclusion in the official latest repository.Adapter must perform useful automation, pass repository checks and receive ongoing maintenance; do not build a dashboard that only links out to AltFTool.2026-08-05Open ioBroker Adapters submit page (new tab)ioBroker Adapters details
124446It's Nice That75Sometimes dofollowitsnicethat.comDesign galleriesFreeModerateLaterNeeds checkingSend creative work for possible editorial coverage.Highly selective; they cover creative work, not software marketing.Added 2026-11-01Open It's Nice That submit page (new tab)It's Nice That details
124546ITQlick45Link type unknownitqlick.comSoftware directoriesFreeModerateLaterNeeds checkingSubmit your SaaS product for a profile with pricing and feature data.Info must be accurate; marketing copy gets rewritten.Added 2026-11-01Open ITQlick submit page (new tab)ITQlick details
124646Jamstack.org65Sometimes dofollowjamstack.orgDeveloper registriesFreeModerateLaterNeeds checkingAdd your static site generator or headless CMS through a pull request to their GitHub repo.Only fitting tool categories are accepted.Added 2026-11-01Open Jamstack.org submit page (new tab)Jamstack.org details
124746Java Code Geeks65Sometimes dofollowjavacodegeeks.comGuest posting sitesFreeModerateLaterNeeds checkingJoin the partner program to syndicate your existing Java or software development posts, or submit original articles.Only technical developer content is accepted and your original post must be on your own blog.Added 2026-11-01Open Java Code Geeks submit page (new tab)Java Code Geeks details
124846Juejin75Nofollowjuejin.cnCommunities and forumsFreeModerateLaterNeeds checkingWrite a Chinese-language technical post about your tool or open-source project.Pure ads are removed; quality posts are recommended.Added 2026-11-01Open Juejin submit page (new tab)Juejin details
124946KillerStartups60Sometimes dofollowkillerstartups.comStartup directoriesFreeModerateLaterNeeds checkingSubmit your tool for startup feature/review.Older media; verify current submission.2026-07-30Open KillerStartups submit page (new tab)KillerStartups details
125046Kodi Add-ons70Link type unknownaddons.kodi.tvMarketplaces and app storesFreeModerateLaterLive, conditionalCreate a genuine media-metadata privacy or local-safety add-on and submit it to Kodi's official repository.Requires supported Python, compatible versions, licence and code review; piracy-related or promotional wrappers are prohibited.2026-08-05 official Kodi Submitting Add-ons guideOpen Kodi Add-ons submit page (new tab)Kodi Add-ons details
125146Lapce Volts Registry45Link type unknownlapce.devMarketplaces and app storesFreeModerateLaterVerified liveBuild a WASI/LSP Volt that surfaces useful your tool diagnostics for HTML or SEO configuration files, then publish it with the official Volts CLI.Official guide is older while the registry remains live; validate the current Volt SDK/runtime and review behavior before investment, and avoid a thin marketing launcher.2026-08-05Open Lapce Volts Registry submit page (new tab)Lapce Volts Registry details
125246Lemmy.world55Nofollowlemmy.worldSocial channelsFreeModerateLaterNeeds checkingJoin relevant communities and share your project only where self-posts are allowed.Each community sets its own self-promotion rules.Added 2026-11-01Open Lemmy.world submit page (new tab)Lemmy.world details
125346LiblibAI50Link type unknownliblib.artAI tool directoriesFreeModerateLaterNeeds checkingIf you serve Chinese creators, publish your own models or workflows and link your site from your profile.Chinese-language platform; uploads must follow local content rules.Added 2026-11-01Open LiblibAI submit page (new tab)LiblibAI details
125446LibraryThing85Link type unknownlibrarything.comProfiles and entitiesFreeModerateLaterNeeds checkingAuthors can join the author program to get a linked author page.You must be the actual author; pages are checked.Added 2026-11-01Open LibraryThing submit page (new tab)LibraryThing details
125546Linus Tech Tips Forum60Link type unknownlinustechtips.comCommunities and forumsFreeModerateLaterNeeds checkingJoin the community, answer questions and add your site to your profile.Advertising has its own rules; read them before linking.Added 2026-11-01Open Linus Tech Tips Forum submit page (new tab)Linus Tech Tips Forum details
125646Lite XL Plugin Repository40Link type unknownlite-xl.comMarketplaces and app storesFreeModerateLaterVerified liveCreate a Lua plugin with real commands for your tool URL audits or JSON validation and add a conforming manifest entry to the official Lite XL plugin repository.Manifest must pin remote commits and checksums and pass repository review; the canonical outbound link may point to source, so a direct domain backlink is not guaranteed.2026-08-05Open Lite XL Plugin Repository submit page (new tab)Lite XL Plugin Repository details
125746LO4D65Link type unknownlo4d.comSoftware directoriesFreeModerateLaterNeeds checkingSubmit your Windows app for review and malware testing.Programs failing their antivirus checks are not listed.Added 2026-11-01Open LO4D submit page (new tab)LO4D details
125846LobeHub50Sometimes dofollowlobehub.comAI tool directoriesFreeModerateLaterNeeds checkingPublish your MCP server or agent to their marketplace with docs and a repository link.Submissions go through review and must install cleanly.Added 2026-11-01Open LobeHub submit page (new tab)LobeHub details
125946Made in Webflow90Nofollowwebflow.comDesign galleriesFreeModerateLaterNeeds checkingSubmit only if your tool page/template is built in Webflow.Not fit for current Next.js site unless Webflow asset.2026-07-30Open Made in Webflow submit page (new tab)Made in Webflow details
126046Marginalia Search45Link type unknownmarginalia-search.comBusiness directoriesFreeModerateLaterNeeds checkingSubmit your tool (or its blog/feed where required) under productivity, privacy or developer tools.Human review may apply; use a natural brand title and avoid keyword stuffing. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/marginalia-searchOpen Marginalia Search submit page (new tab)Marginalia Search details
126146Maven Central75Link type unknownsonatype.orgOther opportunitiesFreeModerateLaterLive, conditionalRelease a genuine your tool SDK, verify its namespace, sign artifacts, and include accurate project, SCM, license and developer URLs.Strict coordinates, signatures, sources, Javadocs and metadata apply; never publish a placeholder artifact for a link.2026-08-05 official Maven Central publishing documentationOpen Maven Central submit page (new tab)Maven Central details
126246Minifeed25Link type unknownminifeed.netBusiness directoriesFreeModerateLaterNeeds checkingSubmit your tool (or its blog/feed where required) under productivity, privacy or developer tools.Human review may apply; use a natural brand title and avoid keyword stuffing. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/minifeedOpen Minifeed submit page (new tab)Minifeed details
126346Ministry of Testing55Sometimes dofollowministryoftesting.comGuest posting sitesFreeModerateLaterNeeds checkingCreate a community account and submit an article or short insight on software testing for review.Content must help testers and avoid product pitches; your link goes in your profile.Added 2026-11-01Open Ministry of Testing submit page (new tab)Ministry of Testing details
126446Mirror70Link type unknownmirror.xyzPublishing platformsFreeModerateLaterNeeds checkingPublish an article with a wallet login and link back to your site in context.The audience is mostly crypto-focused; off-topic posts get little reach.Added 2026-11-01Open Mirror submit page (new tab)Mirror details
126546ModelScope65Link type unknownmodelscope.cnAI tool directoriesFreeModerateLaterNeeds checkingPublish a model or demo app with a model card that links to your project.Mainly a Chinese-language audience; needs a verified account to publish.Added 2026-11-01Open ModelScope submit page (new tab)ModelScope details
126646Neowin Software80Sometimes dofollowneowin.netSoftware directoriesFreeModerateLaterNeeds checkingSend release notes for notable versions of your desktop software to their software news section.Editors pick releases; minor updates are often skipped.Added 2026-11-01Open Neowin Software submit page (new tab)Neowin Software details
126746NetBSD pkgsrc75Link type unknownnetbsd.orgDeveloper registriesFreeModerateLaterVerified livePackage a stable cross-platform your tool CLI for pkgsrc, test it with pkglint and supported builds, include the canonical homepage, then submit via pkgsrc-wip or NetBSD's package bug tracker.Source package must compile and run correctly, follow pkgsrc policy and be maintained; non-developers use pkgsrc-wip or a formal package problem report, and inclusion is reviewed.2026-08-05Open NetBSD pkgsrc submit page (new tab)NetBSD pkgsrc details
126846Newgrounds85Nofollownewgrounds.comProfiles and entitiesFreeModerateLaterNeeds checkingPost your own games, animation or music and add your site to your profile.Submissions are voted on by the community; stolen work is removed.Added 2026-11-01Open Newgrounds submit page (new tab)Newgrounds details
126946nf-core50Link type unknownnf-co.reReview platformsFreeModerateLaterVerified livePropose and contribute a standards-compliant your tool-related bioinformatics privacy module, subworkflow, or full Nextflow pipeline.Must solve a real bioinformatics need, avoid overlap, use nf-core templates, include tests and docs, pass linting, review, and maintenance expectations.2026-08-05 — https://nf-co.re/docs/contributing/overviewOpen nf-core submit page (new tab)nf-core details
127046Nuxt Modules70Sometimes dofollownuxt.comDeveloper registriesFreeModerateLaterNeeds checkingOpen a pull request to the Nuxt modules repository to list your module.Module must be maintained and documented.Added 2026-11-01Open Nuxt Modules submit page (new tab)Nuxt Modules details
127146NWB NDX Catalog25Link type unknownnwb-extensions.github.ioMarketplaces and app storesFreeModerateLaterVerified liveCreate a meaningful NWB extension for privacy, provenance, or consent metadata and submit its staged-extension YAML through an official pull request.Must extend the NWB schema for a real neurodata use case with valid metadata, tests, maintainer details, and community approval.Official NWB staged-extension and NDX catalog documentation checked 2026-08-05Open NWB NDX Catalog submit page (new tab)NWB NDX Catalog details
127246Odysee75Nofollowodysee.comProfiles and entitiesFreeModerateLaterNeeds checkingMake a channel and link your website in the about section and video descriptions.Content rules still apply; spam channels are hidden.Added 2026-11-01Open Odysee submit page (new tab)Odysee details
127346One Page Love65Dofollowonepagelove.comDesign galleriesFreeModerateLaterNeeds checkingSubmit a focused one-page your tool landing page.Only if page is single-page and polished.2026-07-30Open One Page Love submit page (new tab)One Page Love details
127446OpenAlternative45Dofollowopenalternative.coSoftware directoriesFreeModerateLaterNot 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. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/openalternativeOpen OpenAlternative submit page (new tab)OpenAlternative details
127546OpenEBench40Link type unknownopenebench.bsc.esSoftware directoriesFreeModerateLaterVerified liveOrganize a rigorous life-science privacy-tool benchmark or participate with an eligible your tool method and publish validated results.Requires a scientific community, formal challenge metadata, reference data, containerized metrics workflow, assigned role, and OpenEBench support review.2026-08-05 — https://openebench.readthedocs.io/en/latest/how_to/4_manage_events.htmlOpen OpenEBench submit page (new tab)OpenEBench details
127646openHAB Add-on Store65Link type unknownopenhab.orgMarketplaces and app storesFreeModerateLaterVerified liveBuild a real openHAB add-on that integrates an your tool home-network privacy or safety service, provide addon.xml, tests and documentation, then submit it upstream.A genuine device or service integration is required; DCO, code quality, documentation and maintainer review apply, and marketing-only bindings are unsuitable.2026-08-05Open openHAB Add-on Store submit page (new tab)openHAB Add-on Store details
127746OpenWrt Packages75Link type unknownopenwrt.orgDeveloper registriesFreeModerateLaterVerified liveBuild an OpenWrt-compatible your tool service or utility for a real router/privacy/security workflow, add correct package metadata and tests, then submit it to the official feed.Only pursue functionality that genuinely runs on constrained routers or embedded systems; generic website wrappers and unsupported binaries are unsuitable.2026-08-05Open OpenWrt Packages submit page (new tab)OpenWrt Packages details
127846PeoplePerHour75Nofollowpeopleperhour.comProfiles and entitiesFreeModerateLaterNeeds checkingApply as a freelancer and set up your profile and service offers.Profiles are reviewed; contact details outside the platform are restricted.Added 2026-11-01Open PeoplePerHour submit page (new tab)PeoplePerHour details
127946personalsit.es30Link type unknownpersonalsit.esBusiness directoriesFreeModerateLaterNeeds checkingAdd your personal site by opening a pull request on the project's GitHub repo.Personal sites only; read the repo's contributing notes first.Added 2026-11-01Open personalsit.es submit page (new tab)personalsit.es details
128046Pexels90Nofollowpexels.comProfiles and entitiesFreeModerateLaterNeeds checkingContribute your own photos or videos and link your site on your profile.Every upload is reviewed; watermarks and logos are not allowed.Added 2026-11-01Open Pexels submit page (new tab)Pexels details
128146Phaser70Link type unknownphaser.ioPublishing platformsFreeModerateLaterNeeds checkingIf your game is built with Phaser, submit it for their games and news coverage so it can appear on the site and in their newsletter.Only for games and tools made with Phaser; editorial choice what gets featured.Added 2026-11-01Open Phaser submit page (new tab)Phaser details
128246PitchRate35Link type unknownpitchrate.comPR and source platformsFreeModerateLaterNeeds checkingCreate expert profile and answer media queries.Older platform; verify active queries.2026-07-30Open PitchRate submit page (new tab)PitchRate details
128346Pixabay90Nofollowpixabay.comProfiles and entitiesFreeModerateLaterNeeds checkingUpload original images, vectors or videos and add a website link to your profile.Strict review of uploads; repeated rejections can limit your account.Added 2026-11-01Open Pixabay submit page (new tab)Pixabay details
128446Preprints.org75Link type unknownpreprints.orgOther opportunitiesFreeModerateLaterVerified livePublish an original benchmark or evaluation study of local-first privacy or security tooling with open code, data, and your tool implementation.Requires a full scholarly manuscript, truthful authorship, data and ethics disclosures, bibliography, and CC BY licensing; no marketing.2026-08-05 — https://www.preprints.org/instructions-for-authorsOpen Preprints.org submit page (new tab)Preprints.org details
128546Printables70Nofollowprintables.comProfiles and entitiesFreeModerateLaterNeeds checkingShare original printable models and link your website in your profile.Original work only; low-effort reposts are removed.Added 2026-11-01Open Printables submit page (new tab)Printables details
128646ProAndroidDev55Nofollowproandroiddev.comGuest posting sitesFreeModerateLaterNeeds checkingAsk to become a writer and submit Android or Kotlin articles through Medium.Articles must be technical and original; links are usually nofollow.Added 2026-11-01Open ProAndroidDev submit page (new tab)ProAndroidDev details
128746Promote Project35Link type unknownpromoteproject.comProfiles and entitiesFreeModerateLaterVerified 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. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/promote-projectOpen Promote Project submit page (new tab)Promote Project details
128846PromptBase60Nofollowpromptbase.comMarketplaces and app storesFreeModerateLaterNeeds checkingSell well-tested prompts and link your site from your seller profile.Prompts are reviewed; low-effort prompts are rejected.Added 2026-11-01Open PromptBase submit page (new tab)PromptBase details
128946prose.sh30Link type unknownprose.shPublishing platformsFreeModerateLaterNeeds checkingCreate a blog by uploading Markdown files over SSH and link to your projects from your posts.It is aimed at developers and personal blogs; spam is removed.Added 2026-11-01Open prose.sh submit page (new tab)prose.sh details
129046Public APIs35Link type unknownpublicapis.devBusiness directoriesFreeModerateLaterNeeds checkingSubmit your tool (or its blog/feed where required) under productivity, privacy or developer tools.Human review may apply; use a natural brand title and avoid keyword stuffing. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/public-apisOpen Public APIs submit page (new tab)Public APIs details
129146pyOpenSci45Link type unknownpyopensci.orgSoftware directoriesFreeModerateLaterVerified liveSubmit a mature scientific Python package related to an your tool privacy or accessibility workflow for public review and listing.Must support open science, have sustained public development, packaging, tests, docs, human-reviewed code, and a maintenance commitment.2026-08-05 — https://www.pyopensci.org/software-peer-review/our-process/policies.htmlOpen pyOpenSci submit page (new tab)pyOpenSci details
129246QIIME 2 Library50Link type unknownlibrary.qiime2.orgMarketplaces and app storesFreeModerateLaterVerified liveBuild and test a legitimate QIIME 2 plugin for a microbiome-data privacy, validation or provenance use case, then distribute it through the QIIME 2 Library.Only credible microbiome or compatible data-science functionality qualifies; plugin APIs, packaging, testing and maintenance requirements apply.2026-08-05Open QIIME 2 Library submit page (new tab)QIIME 2 Library details
129346Reedsy75Nofollowreedsy.comProfiles and entitiesFreeModerateLaterNeeds checkingEditors, designers and marketers can apply for a professional profile.Applications are vetted; only experienced professionals are approved.Added 2026-11-01Open Reedsy submit page (new tab)Reedsy details
129446ReScience C35Link type unknownrescience.github.ioReview platformsFreeModerateLaterVerified liveIndependently reproduce a published computational privacy or security result with open code and data, using your tool only where scientifically justified.Must replicate existing research rigorously with a fully open stack; reviewers must reproduce the results before acceptance.2026-08-05 — https://rescience.github.io/write/Open ReScience C submit page (new tab)ReScience C details
129546ResearchBox30Link type unknownresearchbox.orgOther opportunitiesFreeModerateLaterVerified liveOrganize the complete code, data, materials, and outputs behind a real your tool evaluation study into a public citable box.Designed for supporting research artifacts, not promotion; public boxes are licensed, versioned, searchable, and archived.2026-08-05 — https://researchbox.org/index.phpOpen ResearchBox submit page (new tab)ResearchBox details
129646rOpenSci70Link type unknownropensci.orgSoftware directoriesFreeModerateLaterVerified liveIf your tool produces a research-grade R package, submit a presubmission inquiry and the package for open review.Package must fit rOpenSci scope, avoid overlap, meet testing and lifecycle policies, and remain actively maintained.2026-08-05 — https://devguide.ropensci.org/softwarereview_author.htmlOpen rOpenSci submit page (new tab)rOpenSci details
129746ROS Index70Link type unknownindex.ros.orgSoftware directoriesFreeModerateLaterVerified liveBuild a real ROS package for an your tool robotics/privacy/safety workflow, release it through rosdistro and expose maintained README, documentation and source links in ROS Index.Must provide genuine ROS functionality and follow repository, metadata and release conventions; a branded launcher without robot-facing value will be rejected.2026-08-05Open ROS Index submit page (new tab)ROS Index details
129846Royal Road65Link type unknownroyalroad.comPublishing platformsFreeModerateLaterNeeds checkingPublish an original web serial and add your site to your author profile.Original fiction only; serials are reviewed and must follow the content rules.Added 2026-11-01Open Royal Road submit page (new tab)Royal Road details
129946Rumble90Nofollowrumble.comProfiles and entitiesFreeModerateLaterNeeds checkingCreate a channel, upload videos and put your website in the channel description.Only content you own; spam uploads are removed.Added 2026-11-01Open Rumble submit page (new tab)Rumble details
130046Scribble Hub50Link type unknownscribblehub.comPublishing platformsFreeModerateLaterNeeds checkingPublish an original series and add your website to your profile.Original works; follow their content tags and series rules.Added 2026-11-01Open Scribble Hub submit page (new tab)Scribble Hub 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.