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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

901–1,000 of 1,123 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
90146Arc.dev60Nofollowarc.devProfiles and entitiesFreeModerateLaterNeeds checkingBuild a developer profile with your experience and portfolio link.Profiles go through vetting before being shown to companies.Added 2026-11-01Open Arc.dev submit page (new tab)Arc.dev details
90246Armor Games75Link type unknownarmorgames.comMarketplaces and app storesFreeModerateLaterNeeds checkingSubmit a polished web game through their developer route; published games carry a developer credit on the game page.Games are curated by their team; check the current developer page for the submission method before sending.Added 2026-11-01Open Armor Games submit page (new tab)Armor Games details
90346Ask Ubuntu80Nofollowaskubuntu.comCommunities and forumsFreeModerateLaterNeeds checkingHelp Ubuntu users with complete answers and keep your site link on your profile.Answers have to stand on their own; promotional posts get flagged quickly.Added 2026-11-01Open Ask Ubuntu submit page (new tab)Ask Ubuntu details
90446Astrophysics Source Code Library55Link type unknownascl.netSoftware directoriesFreeModerateLaterVerified liveSubmit an your tool-related astronomy utility only after it has been used in research submitted to or published by a refereed journal.Strict astronomy or astrophysics scope; code must be accessible, research-used, complete, moderated, and supported by a paper reference.2026-08-05 — https://ascl.net/code/submitOpen Astrophysics Source Code Library submit page (new tab)Astrophysics Source Code Library details
90546Awesome Go55Sometimes dofollowawesome-go.comDeveloper registriesFreeModerateLaterNeeds checkingOpen a pull request to the awesome-go list with your Go library.Requires tests, docs, a license and reasonable coverage.Added 2026-11-01Open Awesome Go submit page (new tab)Awesome Go details
90646Bandcamp95Nofollowbandcamp.comProfiles and entitiesFreeModerateLaterNeeds checkingCreate an artist or label page, upload your music and link your website.Only music you own the rights to.Added 2026-11-01Open Bandcamp submit page (new tab)Bandcamp details
90746BetaKit65Sometimes dofollowbetakit.comStartup directoriesFreeModerateLaterNeeds checkingCanadian startups can send launch, funding or growth news to the editorial team.Canada-focused; editors decide what runs.Added 2026-11-01Open BetaKit submit page (new tab)BetaKit details
90846Bioconda50Link type unknownbioconda.github.ioDeveloper registriesFreeModerateLaterVerified liveCreate a tested Bioconda recipe for a genuinely biomedical or bioinformatics your tool utility, with accurate homepage/source metadata, and submit it through the official review workflow.Strict life-science relevance is required; generic privacy or file tools do not qualify, and recipes must pass build, licence and dependency review.2026-08-05Open Bioconda submit page (new tab)Bioconda details
90946BioImage.IO40Link type unknownbioimage.ioCommunities and forumsFreeModerateLaterVerified liveContribute a documented bioimaging privacy or de-identification model, application integration, or other qualifying resource linked to your tool.Must genuinely serve bioimaging, follow the BioImage.IO resource specification and model card requirements, and pass community validation.2026-08-05 — https://bioimage.io/docs/Open BioImage.IO submit page (new tab)BioImage.IO details
91046Bits and Pieces60Nofollowbitsrc.ioGuest posting sitesFreeModerateLaterNeeds checkingAsk to join as a writer and submit frontend architecture, JavaScript or component-design articles.Editors accept only original technical posts; links are usually nofollow.Added 2026-11-01Open Bits and Pieces submit page (new tab)Bits and Pieces details
91146BleepingComputer Forums90Nofollowbleepingcomputer.comCommunities and forumsFreeModerateLaterNeeds checkingJoin, help with tech support threads and add your site to your profile where allowed.Strict moderation; link drops in threads count as spam.Added 2026-11-01Open BleepingComputer Forums submit page (new tab)BleepingComputer Forums details
91246Blogger95Sometimes dofollowblogger.comPublishing platformsFreeModerateLaterNot submittedCreate official your tool update/tutorial blog if needed.Avoid duplicate content; canonical strategy needed.2026-07-30Open Blogger submit page (new tab)Blogger details
91346Blogosphere—Link type unknowntext.blogosphere.appPublishing platformsFreeModerateLaterNot submittedSubmit 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/blogosphereOpen Blogosphere submit page (new tab)Blogosphere details
91446Blogroll.org40Link type unknownblogroll.orgPublishing platformsFreeModerateLaterNot submittedSubmit 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/blogroll-orgOpen Blogroll.org submit page (new tab)Blogroll.org details
91546Blogs.hn—Link type unknownblogs.hnPublishing 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/blogs-hnOpen Blogs.hn submit page (new tab)Blogs.hn details
91646Braintrust55Nofollowusebraintrust.comProfiles and entitiesFreeModerateLaterNeeds checkingApply as talent and fill in your profile with skills and website.Applications are screened; not everyone is accepted.Added 2026-11-01Open Braintrust submit page (new tab)Braintrust details
91746Bubble Showcase80Nofollowbubble.ioMarketplaces and app storesFreeModerateLaterNeeds checkingOnly submit if you build a Bubble-related app/template.Not fit unless Bubble asset exists.2026-07-30Open Bubble Showcase submit page (new tab)Bubble Showcase details
91846BuildInPublic.page—Link type unknownbuildinpublic.pageStartup directoriesFreeModerateLaterLive, conditionalJoin with an authentic verified builder account and showcase your tool milestones and assets.Do not invent revenue or milestones; verify onboarding availability before planning content.2026-08-03Open BuildInPublic.page submit page (new tab)BuildInPublic.page details
91946Business-Software.com55Link type unknownbusiness-software.comSoftware 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/business-software-comOpen Business-Software.com submit page (new tab)Business-Software.com details
92046CallUpContact40Link type unknowncallupcontact.comBusiness directoriesFreeModerateLaterNot submittedCreate company listing with website link.General directory; verify quality before use.2026-07-30Open CallUpContact submit page (new tab)CallUpContact details
92146Civitai70Nofollowcivitai.comAI tool directoriesFreeModerateLaterNeeds checkingPublish your own models, workflows or resources and link your site from your creator profile.Follow their content rules strictly; only upload your own work.Added 2026-11-01Open Civitai submit page (new tab)Civitai details
92246Codeberg Pages50Dofollowcodeberg.pagePublishing platformsFreeModerateLaterNeeds checkingHost a static site for a free or open-source project from a Codeberg repository.Codeberg is meant for free and open-source projects; commercial-only sites are not welcome.Added 2026-11-01Open Codeberg Pages submit page (new tab)Codeberg Pages details
92346ComfyWorkflows40Link type unknowncomfyworkflows.comAI tool directoriesFreeModerateLaterNeeds checkingUpload original ComfyUI workflows and add your site to your creator profile.Workflows must be your own and must run.Added 2026-11-01Open ComfyWorkflows submit page (new tab)ComfyWorkflows details
92446Commerce Cream30Link type unknowncommercecream.comDesign galleriesFreeModerateLaterNeeds checkingSubmit if a commerce-style/tool landing page fits.Mostly Shopify/ecommerce; weak fit.2026-07-30Open Commerce Cream submit page (new tab)Commerce Cream details
92546CoMSES Computational Model Library50Link type unknowncomses.netReview platformsFreeModerateLaterVerified livePublish a documented social, ecological, or computational model with source, narrative documentation, contributors, and reproducibility metadata.Only genuine computational models qualify; optional peer review and DOI require stronger documentation and reproducibility.Official CoMSES publishing guide and FAQ checked 2026-08-05Open CoMSES Computational Model Library submit page (new tab)CoMSES Computational Model Library details
92646Coze Bot Store70Nofollowcoze.comAI tool directoriesFreeModerateLaterNeeds checkingBuild a bot on Coze and publish it to their store with a description that points to your product.Bots must comply with the platform policy and work as described.Added 2026-11-01Open Coze Bot Store submit page (new tab)Coze Bot Store details
92746CSDMS Model Repository90Link type unknowncsdms.colorado.eduSoftware directoriesFreeModerateLaterVerified liveOpen-source a relevant geoscience model or component, complete the model questionnaire, and provide its code archive for CSDMS testing.Must be an actual Earth-surface or geoscience model; staff may compile and run it, and BMI compatibility is encouraged.Official CSDMS contribute-model guide checked 2026-08-05Open CSDMS Model Repository submit page (new tab)CSDMS Model Repository details
92846CTAN75Link 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
92946Cults65Nofollowcults3d.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
93046CustomerThink60Sometimes 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
93146Cytoscape 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
93246Datafloq55Sometimes 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
93346Debian 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
93446designboom85Sometimes 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
93546Designer 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
93646Dev 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
93746Differ30Link 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
93846DUB 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
93946ElevenForum50Link 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
94046Elm 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
94146Entrepreneur'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
94246FictionPress75Link 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
94346FilePuma60Link 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
94446Finextra 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
94546Fiverr95Nofollowfiverr.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
94646Fonts 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
94746FounderApp—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
94846FoundrList—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
94946FreeBSD 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
95046Freepik 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
95146Galaxy 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
95246Game 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
95346Game 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
95446Gamedev.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
95546GameDistribution55Link 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
95646GameMonetize—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
95746GamePix—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
95846GIPHY95Nofollowgiphy.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
95946Gitee85Link 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
96046GitLab 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
96146Hirely 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
96246Hive60Nofollowhive.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
96346HN 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
96446Hugo 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
96546Hype 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
96646Indie 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
96746IndieBlog.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
96846IndieDB75Sometimes 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
96946Inkitt70Link 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
97046ioBroker 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
97146It'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
97246ITQlick45Link 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
97346Jamstack.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
97446Java 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
97546Juejin75Nofollowjuejin.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
97646KillerStartups60Sometimes 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
97746Kodi 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
97846Lapce 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
97946Lemmy.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
98046LiblibAI50Link 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
98146LibraryThing85Link 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
98246Linus 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
98346Lite 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
98446LO4D65Link 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
98546LobeHub50Sometimes 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
98646Made 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
98746Marginalia 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
98846Maven 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
98946Minifeed25Link 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
99046Ministry 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
99146Mirror70Link 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
99246ModelScope65Link 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
99346Neowin 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
99446NetBSD 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
99546Newgrounds85Nofollownewgrounds.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
99646nf-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
99746Nuxt 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
99846NWB 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
99946Odysee75Nofollowodysee.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
100046One 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

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.