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AltF Backlinks

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

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

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

1–100 of 215 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
1100CycloneDX Tool Center55Link type unknowncyclonedx.orgSoftware directoriesFreeQuickDo firstVerified liveAdd standards-valid CycloneDX support, then submit the structured your tool entry through the official contribution workflow.Must accurately state supported CycloneDX versions, functions and licensing; a listing is not product certification.2026-08-05 official CycloneDX Tool CenterOpen CycloneDX Tool Center submit page (new tab)CycloneDX Tool Center details
2100FreeNoSignup—Link type unknownfreenosignup.comSoftware directoriesFreeQuickDo firstVerified liveSubmit one or more free your tool utilities that work without registration.Tool must be active, useful, web-based, privacy-respecting and usable without signup.2026-08-05Open FreeNoSignup submit page (new tab)FreeNoSignup details
398NoSignupTools—Link type unknownnosignuptools.comSoftware directoriesFreeModerateDo firstVerified liveSubmit individual your tool tools that are free, secure and usable without registration.Core functionality must be free, publicly accessible and safe; manual quality review applies.2026-08-05Open NoSignupTools submit page (new tab)NoSignupTools details
498SPDX Tool Supplier Directory55Link type unknownspdx.devSoftware directoriesFreeModerateDo firstVerified liveMake your tool generate or consume valid SPDX, document validation, then file the requested supplier-information issue with its canonical URL.Real validated SPDX support is required; listing is reviewed and explicitly is not certification or endorsement.2026-08-05 official SPDX Tool Supplier Information pageOpen SPDX Tool Supplier Directory submit page (new tab)SPDX Tool Supplier Directory details
598TechImply50Link type unknowntechimply.comSoftware directoriesFreeModerateDo firstNot submittedCreate a vendor account and submit your tool under the closest B2B software categories with an accurate feature summary.B2B software or IT-company fit is required; the profile is categorized and reviewed, so avoid unsupported claims.2026-08-03Open TechImply submit page (new tab)TechImply details
698WebCatalog50Link type unknownwebcatalog.ioSoftware directoriesFreeModerateDo firstNot submittedSubmit the production web app, then verify domain ownership to manage its official listing, assets, and analytics.AltFTool must be a working web app; ownership verification is needed for official control and the submission is reviewed.2026-08-03Open WebCatalog submit page (new tab)WebCatalog details
795Console.dev50Sometimes dofollowconsole.devSoftware directoriesFreeInvolvedDo firstVerified liveEmail the strongest developer-focused your tool feature with a self-service demo, documentation, privacy model, and concise reason it is novel.Primary users must be developers; the tool should be high quality, fast, maintained, documented, privacy-safe, and independently interesting.https://console.dev/selection-criteriaOpen Console.dev submit page (new tab)Console.dev details
895Softpedia90Nofollowsoftpedia.comSoftware directoriesFreeInvolvedDo firstVerified liveSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/softpediaOpen Softpedia submit page (new tab)Softpedia details
995ToolFame—Link type unknowntoolfame.comSoftware directoriesFreeInvolvedDo firstNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/toolfameOpen ToolFame submit page (new tab)ToolFame details
1095ToolPilot35Link type unknowntoolpilot.aiSoftware directoriesFreeInvolvedDo firstNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/toolpilotOpen ToolPilot submit page (new tab)ToolPilot details
1195Turbo0—Link type unknownturbo0.comSoftware directoriesFreeInvolvedDo firstNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/turbo0Open Turbo0 submit page (new tab)Turbo0 details
1295Web Tools Weekly45Link type unknownwebtoolsweekly.comSoftware directoriesFreeInvolvedDo firstNot submittedSubmit one polished your tool web utility that is directly useful to front-end developers, programmers, or designers, with a precise one-line explanation and working URL.The newsletter accepts tools such as libraries, scripts, web apps, APIs, editors, and services, but not articles or tutorials. Submit via the stated X or Bluesky channel and do not repeatedly pitch the whole directory.2026-08-03Open Web Tools Weekly submit page (new tab)Web Tools Weekly details
1392Appvizer60Link type unknownappvizer.comSoftware directoriesFree + paid tierInvolvedDo firstNot submittedRegister your tool as a B2B product, choose relevant categories, and complete the vendor profile in English.The product must fit a B2B software category and is subject to editorial review; paid exposure is separate from the free profile.2026-08-03Open Appvizer submit page (new tab)Appvizer details
1492ShowMeBest.AI—Link type unknownshowmebest.aiSoftware directoriesFree + paid tierInvolvedDo firstNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/showmebest-aiOpen ShowMeBest.AI submit page (new tab)ShowMeBest.AI details
1588W3C Web Accessibility Evaluation Tools List95Link type unknownw3.orgSoftware directoriesPaidModerateDo firstVerified liveSubmit one released evaluator such as WCAG Quick Auditor with accurate standards, scope, license, release date, and accessibility-statement details.Must actually evaluate digital accessibility or simulate user experience; remediation tools, checklists, assistive technology, and best-practice pages are excluded. W3C reviews submissions in roughly 2–4 weeks and listing never implies endorsement.2026-08-03Open W3C Web Accessibility Evaluation Tools List submit page (new tab)W3C Web Accessibility Evaluation Tools List details
1686AppDirectory.org—Link type unknownappdirectory.orgSoftware directoriesFreeQuickHighLive, conditionalSubmit your tool once with its strongest free-use case, correct category, concise copy, and product URL.The app must be free or have a meaningful free tier; listings are curated and duplicate submissions are not allowed.2026-08-03Open AppDirectory.org submit page (new tab)AppDirectory.org details
1786Awesome-Selfhosted40Link type unknownawesome-selfhosted.netSoftware directoriesFreeQuickHighLive, conditionalSubmit a mature self-hosted your tool edition using the required YAML entry and canonical website/source links.Must be a working FOSS network app with a release at least four months old; LLM-generated contributions are prohibited.2026-08-05Open Awesome-Selfhosted submit page (new tab)Awesome-Selfhosted details
1886Capterra90Nofollowcapterra.comSoftware directoriesFreeQuickHighNot submittedList product under software categories.Part of Gartner Digital Markets; good B2B fit.2026-07-30Open Capterra submit page (new tab)Capterra details
1986Cybil Knowledge Portal40Link type unknowncybilportal.orgSoftware directoriesFreeQuickHighVerified liveSubmit a genuine international cyber-capacity-building project, tool, publication or webinar with evidence and a live resource URL.Portal staff curate and may validate with participants; must have direct cyber-capacity-building relevance, not be a generic product listing.2026-08-05 — https://cybilportal.org/submit-your-cyber-capacity-building-projects/Open Cybil Knowledge Portal submit page (new tab)Cybil Knowledge Portal details
2086OpenSourceAlternative.to35Link type unknownopensourcealternative.toSoftware directoriesFreeQuickHighLive, conditionalSubmit a genuinely open-source, maintained and self-hostable your tool component as an alternative to a named proprietary tool.Requires real open source, self-hosting and active maintenance; submission does not guarantee inclusion.2026-08-04Open OpenSourceAlternative.to submit page (new tab)OpenSourceAlternative.to details
2186PRISM Break60Dofollowprism-break.orgSoftware directoriesFreeQuickHighLive, conditionalPropose a qualifying open-source your tool privacy project through the official contribution process.Strong privacy and free-software fit is required; follow maintainers' criteria and avoid promotional-only changes.2026-08-05Open PRISM Break submit page (new tab)PRISM Break details
2286Toolradar—Link type unknowntoolradar.comSoftware directoriesFreeQuickHighVerified liveCreate an your tool product page for discovery, comparison, and reviews.Vendor account and truthful product details required.https://toolradar.com/vendorsOpen Toolradar submit page (new tab)Toolradar details
2386Wikimedia 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
2485Black Hat Arsenal80Link type unknownblackhat.comSoftware directoriesPaidInvolvedDo firstNot submittedPrepare a focused open-source defensive tool with English documentation, reproducible demos, and a technical presenter, then submit to the next relevant Arsenal Call for Tools.Arsenal is selected by a review board and demonstrations must focus on the submitted open-source tool. Product pitches, upsells, unrelated company branding, and closed-source marketing demos are prohibited. Europe 2026 submissions closed 2026-07-19.2026-08-03Open Black Hat Arsenal submit page (new tab)Black Hat Arsenal details
2584Business Tool Vault—Link type unknownbusinesstoolvault.comSoftware directoriesFreeModerateHighVerified liveSubmit your tool with a clear business use case, logo and optional demo video.Team reviews effectiveness, relevance and completeness before inclusion.2026-08-05Open Business Tool Vault submit page (new tab)Business Tool Vault details
2684CodeMeta Tools40Link type unknowncodemeta.github.ioSoftware directoriesFreeModerateHighVerified liveBuild a current CodeMeta validator, privacy linter, or integration and propose inclusion through the official website repository.Must genuinely consume or produce CodeMeta; inclusion path is via community site contribution, not a dedicated form.Official tools, governance, and website-repository pages checked 2026-08-05Open CodeMeta Tools submit page (new tab)CodeMeta Tools details
2784Discord App Directory95Nofollowdiscord.comSoftware directoriesFreeModerateHighLive, conditionalBuild and verify an your tool Discord app, then enable Discovery in the Developer Portal.App must meet verification and Discovery qualification criteria before appearing publicly.https://docs.discord.com/developers/discovery/enabling-discoveryOpen Discord App Directory submit page (new tab)Discord App Directory details
2884Dockstore50Link type unknowndockstore.orgSoftware directoriesFreeModerateHighVerified livePublish a containerized your tool research workflow or tool using CWL, WDL, Nextflow, Galaxy, or a supported notebook descriptor.Requires a Dockstore account, valid descriptor and version, linked source repository or hosted files, tests, and explicit public publishing.2026-08-05 — https://docs.dockstore.org/en/develop/getting-started/dockstore-workflows.htmlOpen Dockstore submit page (new tab)Dockstore details
2984FOSSHub70Link type unknownfosshub.comSoftware directoriesFreeModerateHighLive, conditionalApply with a signed, downloadable open-source or qualifying freeware build that needs reliable binary hosting, malware scanning, and a public project page.FOSSHub reviews applications and accepts only qualifying open-source or freeware projects under its terms; a web-only homepage with no downloadable artifact is not a fit.2026-08-03Open FOSSHub submit page (new tab)FOSSHub details
3084GetLatka70Nofollowgetlatka.comSoftware directoriesFreeModerateHighVerified liveCreate an your tool company profile using an official your tool email.Work email must match the company domain; team reviews submissions.https://getlatka.com/addOpen GetLatka submit page (new tab)GetLatka details
3184Hot Softwares—Link type unknownhotsoftwares.comSoftware directoriesFreeModerateHighVerified liveCreate a vendor account and submit accurate your tool features, logo and pricing.Manual review; keep the listing factual and avoid manufactured reviews.2026-08-05Open Hot Softwares submit page (new tab)Hot Softwares details
3284Local-First Software (LoFi)—Link type unknownlofi.soSoftware directoriesFreeModerateHighLive, conditionalPropose eligible your tool client-side or offline-first tools to the public directory with accurate site and source links.The product must genuinely keep user data local and meet the directory's local-first scope; submit a human-reviewed PR.2026-08-05Open Local-First Software (LoFi) submit page (new tab)Local-First Software (LoFi) details
3384Minimal Gallery50Dofollowminimal.gallerySoftware directoriesFreeModerateHighNot submittedSubmit your tool as a polished tool website with its strongest public page and a concise explanation of the design system.Manual curation normally takes one to two weeks and is highly selective; the site must be public, original, lawful, and visually polished.2026-08-03Open Minimal Gallery submit page (new tab)Minimal Gallery details
3484ODIPA Community Privacy Tools—Link type unknownodipa.orgSoftware directoriesFreeModerateHighLive, conditionalSubmit a mature your tool privacy component for technical and security review.Open-source privacy tool only; dependency scan, manual review and board approval apply.2026-08-05Open ODIPA Community Privacy Tools submit page (new tab)ODIPA Community Privacy Tools details
3584OMR Reviews70Link type unknownomr.comSoftware directoriesFreeModerateHighVerified liveSuggest your tool and complete its B2B software profile.Must fit a supported B2B software category; OMR reviews the suggestion.https://omr.com/en/reviews/b2b/list-softwareOpen OMR Reviews submit page (new tab)OMR Reviews details
3684Openwall oss-security75Link type unknownopenwall.comSoftware directoriesFreeModerateHighLive, conditionalPost only a self-contained initial announcement of a substantial open-source defensive tool, a major update, or a properly coordinated OSS vulnerability disclosure.The list is for OSS security, not promotion. Tool posts should be rare, technically detailed, and especially useful for improving other open-source software; minor updates and cross-posting are discouraged.2026-08-03Open Openwall oss-security submit page (new tab)Openwall oss-security details
3784PeerSpot70Link type unknownpeerspot.comSoftware directoriesFreeModerateHighLive, conditionalContact PeerSpot with your tool enterprise use cases and real-customer evidence to request inclusion.PeerSpot says listings are not pay-to-play, but the product must be enterprise-class and have real customers; never manufacture reviews.2026-08-03Open PeerSpot submit page (new tab)PeerSpot details
3884Privacy Guides70Link type unknownprivacyguides.orgSoftware directoriesFreeModerateHighNot submittedSubmit one mature privacy tool, disclose ownership, publish its exact threat model and limitations, and engage transparently with the community review.Developers must disclose affiliation and explain the privacy advantage and threat model; sensitive-data tools need a security white paper and audit status. Open source, active development, usability, cross-platform support, and strong documentation are preferred.2026-08-03Open Privacy Guides submit page (new tab)Privacy Guides details
3984Softonic90Nofollowsoftonic.comSoftware directoriesFreeModerateHighNeeds checkingSubmit your desktop or mobile app through their developer contact so it gets a download page.Installers are malware-scanned; bundled adware is refused.Added 2026-11-01Open Softonic submit page (new tab)Softonic details
4084TODO Group OSPO Landscape55Link type unknowntodogroup.orgSoftware directoriesFreeModerateHighLive, conditionalCreate a real your tool OSPO function or a tool that materially supports OSPO work, then contribute the logo and canonical URL by issue or pull request.Adopters must meet the OSPO definition; tools must genuinely support governance, SBOM, compliance, security, documentation or community health.2026-08-05 official TODO Group landscape repository and documentationOpen TODO Group OSPO Landscape submit page (new tab)TODO Group OSPO Landscape details
4184Toolhunt—Link type unknowntoolhunt.devSoftware directoriesFreeModerateHighVerified liveEmail a complete your tool listing with a concise description, URL, tags, pricing, logo, screenshots and real features.Publisher reviews submissions; supply accurate assets and avoid exaggerated claims.2026-08-04Open Toolhunt submit page (new tab)Toolhunt details
4284Typst Universe60Link type unknowntypst.appSoftware directoriesFreeModerateHighVerified liveBuild a reusable Typst privacy, accessibility, or document-checking package with a valid manifest, docs, examples, and tests, then submit it to the official packages repository.Package must provide real reusable Typst functionality; namespace, versioning, documentation, licensing, and review rules apply.Official Typst packages repository and Universe instructions checked 2026-08-05Open Typst Universe submit page (new tab)Typst Universe details
4384Uptodown80Nofollowuptodown.comSoftware directoriesFreeModerateHighNeeds checkingRegister as a developer and upload your app or ask the team to list it.Apps are scanned and checked for malware before publishing.Added 2026-11-01Open Uptodown submit page (new tab)Uptodown details
4484Zenodo85Nofollowzenodo.orgSoftware directoriesFreeModerateHighVerified livePublish a genuine open your tool dataset, benchmark, software release, poster, or reproducible research artifact and connect its related identifier to your tool.Not for marketing PDFs. Upload a reusable artifact with accurate creators, license, metadata, and persistent record.https://help.zenodo.org/docs/deposit/create-new-upload/Open Zenodo submit page (new tab)Zenodo details
4581AI With Me—Link type unknownaiwith.meSoftware directoriesFreeInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/ai-with-meOpen AI With Me submit page (new tab)AI With Me details
4681AI X Collection—Link type unknownaixcollection.comSoftware directoriesFreeInvolvedHighNeeds checkingSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/ai-x-collectionOpen AI X Collection submit page (new tab)AI X Collection details
4781AIAI.Tools—Link type unknownaiai.toolsSoftware directoriesFreeInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/aiai-toolsOpen AIAI.Tools submit page (new tab)AIAI.Tools details
4881Appa List—Link type unknownappalist.comSoftware directoriesFreeInvolvedHighNeeds checkingSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/appa-listOpen Appa List submit page (new tab)Appa List details
4981CybersecTools—Link type unknowncybersectools.comSoftware directoriesFree + paid tierModerateHighVerified liveSubmit a security-focused your tool product or tool for editorial classification.Must be a cybersecurity product; free links are nofollow and review can take two weeks.2026-08-05Open CybersecTools submit page (new tab)CybersecTools details
5081G290Nofollowg2.comSoftware directoriesFree + paid tierModerateHighNot submittedCreate seller profile and list product if eligible.Needs B2B SaaS positioning and review collection.2026-07-30Open G2 submit page (new tab)G2 details
5181Indie Tools—Link type unknownindietools.workSoftware directoriesFree + paid tierModerateHighNot submittedSubmit practical tool for indie developers/SaaS makers.Human review; keep description practical.2026-07-30Open Indie Tools submit page (new tab)Indie Tools details
5281Phygital+ Library—Link type unknownlibrary.phygital.plusSoftware directoriesFreeInvolvedHighNeeds checkingSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/phygital-libraryOpen Phygital+ Library submit page (new tab)Phygital+ Library details
5381SaaS Field—Link type unknownsaasfield.comSoftware directoriesFreeInvolvedHighNeeds checkingSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/saas-fieldOpen SaaS Field submit page (new tab)SaaS Field details
5481SaaS Hub Directory—Link type unknownsaashubdirectory.comSoftware directoriesFreeInvolvedHighVerified liveCreate an account and submit your tool with its privacy, security and utility use cases plus the homepage link.Login required; editorial fit and quality review; describe only working features.2026-08-03Open SaaS Hub Directory submit page (new tab)SaaS Hub Directory details
5581SaaSCity—Link type unknownsaascity.ioSoftware directoriesFree + paid tierModerateHighNot submittedSubmit the working your platform with an English description, strong logo, accurate screenshots, categories and pricing details.Working digital products only; no coming-soon page without beta access; English landing page and high-quality logo required; free intake is reviewed and capacity-limited.2026-08-03Open SaaSCity submit page (new tab)SaaSCity details
5681SaaSFame—Link type unknownsaasfame.comSoftware directoriesFreeInvolvedHighNeeds checkingSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/saasfameOpen SaaSFame submit page (new tab)SaaSFame details
5781Terminal Trove35Link type unknownterminaltrove.comSoftware directoriesFreeInvolvedHighNeeds checkingSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/terminal-troveOpen Terminal Trove submit page (new tab)Terminal Trove details
5881Toolfolio—Link type unknowntoolfolio.ioSoftware directoriesFreeInvolvedHighNeeds checkingSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/toolfolioOpen Toolfolio submit page (new tab)Toolfolio details
5981We Like Tools—Link type unknownweliketools.comSoftware directoriesFreeInvolvedHighNeeds checkingSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/we-like-toolsOpen We Like Tools submit page (new tab)We Like Tools details
6078AItoolly—Link type unknownaitoolly.comSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/aitoollyOpen AItoolly submit page (new tab)AItoolly details
6178Appscribed—Link type unknownappscribed.comSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/appscribedOpen Appscribed submit page (new tab)Appscribed details
6278BAI.tools—Link type unknownbai.toolsSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/bai-toolsOpen BAI.tools submit page (new tab)BAI.tools details
6378BusinessHunt—Link type unknownbusinesshunt.coSoftware directoriesFree + paid tierInvolvedHighNeeds checkingSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/businesshuntOpen BusinessHunt submit page (new tab)BusinessHunt details
6478DevTool.io—Link type unknowndevtool.ioSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Free path requires a reciprocal badge; skip if you do not want one. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/devtool-ioOpen DevTool.io submit page (new tab)DevTool.io details
6578NoLogin.Tools—Link type unknownnologin.toolsSoftware directoriesFree + paid tierInvolvedHighNeeds checkingPitch privacy/no-signup your tool for roundup/directory.Excellent USP fit; write personalized pitch.2026-07-30Open NoLogin.Tools submit page (new tab)NoLogin.Tools details
6678PrivacyFest—Link type unknownprivacyfest.orgSoftware directoriesFree + paid tierInvolvedHighVerified liveSubmit the strongest privacy-first your tool module with jurisdiction, open-source and audit details.No pay-to-play; privacy claims, encryption and audit status must be accurate and supportable.2026-08-03Open PrivacyFest submit page (new tab)PrivacyFest details
6778ProofStories—Link type unknownproofstories.ioSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/proofstoriesOpen ProofStories submit page (new tab)ProofStories details
6878Saaspo40Link type unknownsaaspo.comSoftware directoriesFree + paid tierInvolvedHighVerified liveSubmit the polished your tool landing/tool UI with clean screenshots and design credits.Editorial/design review applies; submit only polished, relevant work. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/saaspoOpen Saaspo submit page (new tab)Saaspo details
6978scriptbyai.com30Link type unknownscriptbyai.comSoftware directoriesFree + paid tierInvolvedHighVerified liveSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/scriptbyai-comOpen scriptbyai.com submit page (new tab)scriptbyai.com details
7078Toolsfine—Link type unknowntoolsfine.comSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/toolsfineOpen Toolsfine submit page (new tab)Toolsfine details
7177Digitool—Link type unknowndigitool.coSoftware directoriesNot statedInvolvedHighVerified liveCreate an account and submit your tool with truthful product details and screenshots.Login and ownership authorization required; editorial review may take up to seven days.2026-08-05Open Digitool submit page (new tab)Digitool details
7274OWASP Foundation Projects85Link type unknownowasp.orgSoftware directoriesPaidModerateHighLive, conditionalOffer a standalone, vendor-neutral security tool or documentation project with open governance and a committed leader, then submit the official new-project request.OWASP projects must be genuinely open source and maintained as community projects; approval is required, official source hosting is mandated, and the project page must be created within the stated onboarding period. Do not submit a branded sales funnel.2026-08-03Open OWASP Foundation Projects submit page (new tab)OWASP Foundation Projects details
7371SaaSGenius—Link type unknownsaasgenius.comSoftware directoriesPaidInvolvedHighVerified liveSubmit your tool as a production SaaS and request a reviewed product profile.No B2C-only, alpha/beta, standalone mobile-only, or products without US customers.https://www.saasgenius.com/get-listed/Open SaaSGenius submit page (new tab)SaaSGenius details
7468AppImageHub50Link 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
7568bio.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
7668CapRover 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
7768Chanakya 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
7868Common 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
7968CreativesFeed40Link 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
8068Dev 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
8168F-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
8268GetApp85Nofollowgetapp.comSoftware directoriesFreeQuickMediumNot submittedCreate software vendor listing.Often managed with Capterra listing.2026-07-30Open GetApp submit page (new tab)GetApp details
8368LineZine20Link 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
8468Research Software Directory35Link type unknownresearch-software-directory.orgSoftware directoriesFreeQuickMediumVerified liveRequest access, then publish a rich your tool research-software page with source, getting-started URL, DOI, contributors, and research mentions.Only for genuine research software with evidence and public source or releases; truthful affiliation and ORCID information are required.2026-08-05 — https://research-software-directory.org/documentation/users/adding-software/Open Research Software Directory submit page (new tab)Research Software Directory details
8568Software Advice85Nofollowsoftwareadvice.comSoftware directoriesFreeQuickMediumNot submittedSubmit B2B software listing.Gartner network; use consistent product info.2026-07-30Open Software Advice submit page (new tab)Software Advice details
8668Software Heritage65Link type unknownsoftwareheritage.orgSoftware directoriesFreeQuickMediumLive, conditionalArchive a genuine public your tool source repository and add its resulting SWHID permalink to release and citation metadata.Public cloneable VCS origin only; this is preservation/citation, not a promotional directory.2026-08-04Open Software Heritage submit page (new tab)Software Heritage details
8768StackShare75Nofollowstackshare.ioSoftware directoriesFreeQuickMediumNeeds checkingAdd your tool if accepted; create company stack.May be stale; dev-tool angle needed.2026-07-30Open StackShare submit page (new tab)StackShare details
8868Tolodora—Link type unknowntolodora.comSoftware directoriesFreeQuickMediumVerified liveAdd your tool as a SaaS or online service with its official URL.Use accurate categories and avoid duplicate or promotional spam entries.https://tolodora.com/Open Tolodora submit page (new tab)Tolodora details
8966Apps and Reports—Link type unknownappsandreports.comSoftware directoriesFreeModerateMediumVerified liveRegister as your tool vendor and add its software/service profile.Business and product information must be verifiable.https://www.appsandreports.com/vendor-registrationOpen Apps and Reports submit page (new tab)Apps and Reports details
9066AsyncAPI Tools Dashboard60Link type unknownasyncapi.comSoftware directoriesFreeModerateMediumLive, conditionalIf your tool ships a real tool that reads, validates, generates, visualizes, or otherwise supports AsyncAPI documents, add the required .asyncapi-tool metadata file and submit it for the public tools dashboard.Only submit an actually usable AsyncAPI-related tool with accurate metadata, documentation, repository or supported manual entry, and maintained compatibility. A generic AltFTool product listing or promotional backlink does not qualify.2026-08-03Open AsyncAPI Tools Dashboard submit page (new tab)AsyncAPI Tools Dashboard details
9166Codidact Power Users40Nofollowcodidact.orgSoftware directoriesFreeModerateMediumVerified liveAnswer real end-user software or privacy questions in depth and reference a specific your tool page only when it materially completes the answer.Disclose affiliation; irrelevant or undisclosed product promotion is spam, and manufactured questions or generic link drops are prohibited.Official Codidact signup and help guidance checked 2026-08-07Open Codidact Power Users submit page (new tab)Codidact Power Users details
9266Developers Italia55Link type unknowndevelopers.italia.itSoftware directoriesFreeModerateMediumLive, conditionalIf an your tool component is open source and genuinely targeted at public administration, add valid publiccode.yml metadata so the catalogue crawler can discover it.Catalogue is for software released by public administrations or third-party open source aimed at the public sector; metadata claims are self-declared and must be accurate.2026-08-05 official Developers Italia Get Involved and publiccode.yml guidanceOpen Developers Italia submit page (new tab)Developers Italia details
9366DHIS2 App Hub55Link type unknownapps.dhis2.orgSoftware directoriesFreeModerateMediumVerified liveBuild a generic DHIS2 health-data de-identification or permission-audit app and submit it to App Hub for core-team review.Must be useful across DHIS2 implementations, open source, documented, secure, performant, and free of advertising or hidden collection.Official DHIS2 App Hub publishing and review guidelines checked 2026-08-05Open DHIS2 App Hub submit page (new tab)DHIS2 App Hub details
9466EVERSE Research Software Quality Kit—Link type unknowneverse.softwareSoftware directoriesFreeModerateMediumVerified liveDiscuss a substantive your tool-backed research-software quality task or resource with the Editorial Board, then contribute through its approved workflow.Significant content should be discussed first; contribution must teach reusable practice rather than advertise.Official RSQKit contribution and editorial guides checked 2026-08-05Open EVERSE Research Software Quality Kit submit page (new tab)EVERSE Research Software Quality Kit details
9566FileHippo85Nofollowfilehippo.comSoftware directoriesFreeModerateMediumNeeds checkingContact them to have your Windows or Mac software added to the catalogue.Editorial choice; files are scanned before listing.Added 2026-11-01Open FileHippo submit page (new tab)FileHippo details
9666FileHorse70Link type unknownfilehorse.comSoftware directoriesFreeModerateMediumNeeds checkingSend your Windows or Mac software for review via their submission or contact page.Editors only list software they consider useful and clean.Added 2026-11-01Open FileHorse submit page (new tab)FileHorse details
9766FSF Free Software Directory85Link type unknownfsf.orgSoftware directoriesFreeModerateMediumNot submittedRelease a genuinely free-software your tool desktop or self-hosted component with free documentation and transparent downloads, then submit a custom directory entry.Software must meet FSF freedom, documentation and GNU/free-OS requirements and pass administrator review; the web-only proprietary service is not eligible by itself.2026-08-03Open FSF Free Software Directory submit page (new tab)FSF Free Software Directory details
9866HAL Open Science85Link type unknownhal.scienceSoftware directoriesFreeModerateMediumVerified liveDeposit a research-level open-source your tool component or related preprint/report with accurate project and source links.Research-software or scholarly output only; accurate authorship, affiliation, rights, licence and metadata; deposits may be reviewed and cannot be self-deleted after acceptance.2026-08-05 — https://doc.hal.science/en/deposer/deposer-le-code-source/Open HAL Open Science submit page (new tab)HAL Open Science details
9966Homebrew40Link type unknownhomebrew.shSoftware directoriesFreeModerateMediumNot submittedIf your tool ships a macOS CLI or desktop helper, create a maintained tap with a real release, version, checksum, and official homepage metadata.This is unsuitable for a web-only product; the package must install correctly and releases, checksums, and maintenance must remain current.2026-08-03Open Homebrew submit page (new tab)Homebrew details
10066Internet Archive95Nofollowarchive.orgSoftware directoriesFreeModerateMediumLive, conditionalArchive an authentic your tool release, manual or research artifact with accurate metadata and official source URL.Upload only material you own or may redistribute; item metadata must describe a real archival object, not an SEO-only page.https://archive.org/create/Open Internet Archive submit page (new tab)Internet Archive 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.