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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

1–18 of 18 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
186CoFoundersLab65Nofollowcofounderslab.comStartup directoriesFreeQuickHighVerified liveCreate a complete founder and startup profile for your tool and participate in relevant founder discussions or connection requests.Use a real founder identity, contribute context before mentioning AltFTool, and never send unsolicited promotional messages.Official CoFoundersLab signup and community path checked 2026-08-07Open CoFoundersLab submit page (new tab)CoFoundersLab details
286Indie Hackers75Nofollowindiehackers.comStartup directoriesFreeQuickHighNot submittedAdd product and post build-in-public story with honest numbers.Avoid link-drop; founder story performs better.2026-07-30Open Indie Hackers submit page (new tab)Indie Hackers details
386Indie Page35Link type unknownindiepa.geStartup directoriesFreeQuickHighNot submittedBuild a complete founder profile, add your tool as a shipped startup, and keep milestones, revenue visibility, and product details truthful.Public publishing is paid; use a real founder identity and accurate startup data rather than a backlink-only profile.2026-08-03Open Indie Page submit page (new tab)Indie Page details
486Keybase75Nofollowkeybase.ioStartup directoriesFreeQuickHighNot submittedCreate the founder Keybase profile and cryptographically prove control of your tool so the public identity record links the verified domain.The founder must control the website or DNS proof and keep account keys secure; this verifies identity rather than acting as a marketing listing.2026-08-03Open Keybase submit page (new tab)Keybase details
586Needle Directory—Link type unknownuseneedle.netStartup directoriesFreeQuickHighVerified liveSign in and submit an accurate your tool product profile for review.Verified startups and tools only; community upvotes must remain organic.2026-08-05Open Needle Directory submit page (new tab)Needle Directory details
686Startup Grind70Link type unknownstartupgrind.comStartup directoriesFreeQuickHighVerified liveJoin a relevant chapter, complete the founder profile, attend suitable events, and share your tool only in genuine networking context.Choose a relevant chapter or event and follow organizer rules; member access is not a broadcast or mass-messaging channel.Official Startup Grind chapter community path checked 2026-08-07Open Startup Grind submit page (new tab)Startup Grind details
786StartuPage—Link type unknownstartupa.geStartup directoriesFreeQuickHighVerified liveCreate an authentic founder profile, add your tool as a startup page and include verified website/social links.Use truthful traction data; do not fabricate revenue or create duplicate identities.2026-08-03Open StartuPage submit page (new tab)StartuPage details
886The Org65Nofollowtheorg.comStartup directoriesFreeQuickHighVerified liveAdd your tool’s real company, founder, and team structure with website and role details to create a trustworthy organization profile.Use verified work details and obtain team consent before publishing names or roles; do not fabricate an org chart.https://theorg.com/iterate/how-to-make-an-org-chartOpen The Org submit page (new tab)The Org details
986UN SDG Actions Platform90Link type unknownsdgs.un.orgStartup directoriesFreeQuickHighVerified liveRegister a concrete ongoing your tool initiative with measurable milestones, dates, resources, SDG targets, partners and website evidence.Action must be specific, measurable, achievable, resource-based, time-bound and ongoing; not a proposal, completed activity or organization profile.2026-08-05 — https://sdgs.un.org/partnerships/acceleration-actions/registerOpen UN SDG Actions Platform submit page (new tab)UN SDG Actions Platform details
1084Startup India75Link type unknownstartupindia.gov.inStartup directoriesFreeModerateHighVerified liveApply only if the legal entity behind your tool meets DPIIT eligibility, innovation, age, and turnover conditions.This is entity validation rather than a guaranteed public backlink; incorporation and eligibility evidence are mandatory.https://www.startupindia.gov.in/content/sih/en/startupgov/startup_recognition_page.htmlOpen Startup India submit page (new tab)Startup India details
1184Startup Tracker40Link type unknownstartuptracker.ioStartup directoriesFreeModerateHighNot submittedCreate or claim your tool company profile and add its official URL, product summary, founders, location, and verified company facts.Company data is crowdsourced and reviewed; provide complete, verifiable facts and avoid exaggerated claims.2026-08-03Open Startup Tracker submit page (new tab)Startup Tracker details
1283Contra75Nofollowcontra.comStartup directoriesFree + paid tierQuickHighNot submittedCreate the founder or studio portfolio and publish your tool as a detailed product case study with the live project link.Use a real professional identity and show genuine work, process, and outcomes; do not create a shell profile only for a backlink.2026-08-03Open Contra submit page (new tab)Contra details
1383Crunchbase90Nofollowcrunchbase.comStartup directoriesFree + paid tierQuickHighNot submittedCreate/claim company profile linking your tool/Anslation.High authority entity/profile; company details needed.2026-07-30Open Crunchbase submit page (new tab)Crunchbase details
1483Startup Stash55Dofollowstartupstash.comStartup directoriesFree + paid tierQuickHighNot submittedList your tool as productivity/developer/startup resource.Selective curation; make category fit clear.2026-07-30Open Startup Stash submit page (new tab)Startup Stash details
1581Harmonic50Link type unknownharmonic.aiStartup directoriesFree + paid tierModerateHighVerified liveSubmit accurate company, founder and product details so your tool can be evaluated for Harmonic's startup database.Submission does not guarantee inclusion or how Harmonic displays the data; use a work email and verifiable company information.2026-08-03 • https://harmonic.ai/get-discoveredOpen Harmonic submit page (new tab)Harmonic details
1681Startup Inspire—Link type unknownstartupinspire.comStartup directoriesFreeInvolvedHighNeeds checkingSubmit the polished your tool landing/tool UI with clean screenshots and design credits.Editorial/design review applies; submit only polished, relevant work. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/startup-inspireOpen Startup Inspire submit page (new tab)Startup Inspire details
1777Startupper.Tools—Link type unknownstartupper.toolsStartup directoriesNot statedInvolvedHighVerified liveSubmit your tool with a domain-matching email and accurate startup-use case.Paid editorial submission; active, well-designed startup tool required.2026-08-05Open Startupper.Tools submit page (new tab)Startupper.Tools details
1874The Carpentries Incubator65Link type unknowncarpentries.orgStartup directoriesPaidModerateHighVerified liveCreate a substantive privacy, security, or accessibility lesson using your tool exercises and propose it through the Incubator.Lesson must be openly licensed, educational, maintainable, and non-promotional; Incubator status is not Carpentries endorsement.Official community-lessons and lesson-developer guides checked 2026-08-05Open The Carpentries Incubator submit page (new tab)The Carpentries Incubator 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.