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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

1–40 of 105 opportunities

Highest impactimpact 100–97

High impactimpact 86–76

  • CodePen

    codepen.io

    Build an original interactive demo of your utility, document the use case in Pen Details, and add your tool as one of the public profile links.

    Estimated domain authority DA ~90NofollowFreeQuickVerified live
    SubmitCodePen (opens in a new tab)
  • CodeSandbox

    codesandbox.io

    Publish a small open demo that explains one your tool algorithm or UI pattern and add the product website to the founder profile links.

    Estimated domain authority DA ~90NofollowFreeQuickNot submitted
    SubmitCodeSandbox (opens in a new tab)
  • daily.dev

    daily.dev

    Complete the founder's developer profile, add your tool as real project experience, and publish useful privacy or security engineering posts with contextual links.

    Estimated domain authority DA ~75NofollowFreeQuickNot submitted
    Submitdaily.dev (opens in a new tab)
  • gitconnected

    gitconnected.com

    Create the founder developer profile, add your tool as a real project, and link the live product and supporting repository where applicable.

    Estimated domain authority DA ~50NofollowFreeQuickNot submitted
    Submitgitconnected (opens in a new tab)
  • Glasp

    glasp.co

    Create a founder research profile that curates authoritative privacy, accessibility, security, and standards material, including your tool only when it directly supports the annotation.

    Estimated domain authority DA ~55NofollowFreeQuickVerified live
    SubmitGlasp (opens in a new tab)
  • Open Hub

    openhub.net

    Add or claim your genuine open-source project and complete its description, code locations, tags and official homepage.

    Estimated domain authority DA ~75NofollowFreeQuickVerified live
    SubmitOpen Hub (opens in a new tab)
  • Open Makers

    openmakers.io

    Join as your tool founder, create a product page, and document meaningful launches, milestones, and lessons learned.

    FreeQuickNot submitted
    SubmitOpen Makers (opens in a new tab)
  • Sessionize

    sessionize.com

    Create a founder expert profile and submit substantive talks about privacy-first tools, accessibility or web security.

    Estimated domain authority DA ~70FreeQuickLive, conditional
    SubmitSessionize (opens in a new tab)
  • Stacker News

    stacker.news

    Create a genuine founder profile and share a useful build story or tutorial with a relevant link.

    Estimated domain authority DA ~50FreeQuickNeeds checking
    SubmitStacker News (opens in a new tab)
  • Tableau Public

    public.tableau.com

    Publish an original dashboard using public your tool benchmark or ecosystem data and add an appropriate project permalink in workbook details.

    Estimated domain authority DA ~90NofollowFreeQuickVerified live
    SubmitTableau Public (opens in a new tab)
  • Eventbrite

    eventbrite.com

    Host your genuine privacy/tool workshop or webinar; add your tool in the organizer website field and useful event description.

    Estimated domain authority DA ~90NofollowFree + paid tierQuickVerified live
    SubmitEventbrite (opens in a new tab)
  • Observable

    observablehq.com

    Publish an original interactive notebook showing transparent your tool benchmark, privacy, performance, or tool-usage data and cite your relevant pages.

    Estimated domain authority DA ~80NofollowFree + paid tierQuickVerified live
    SubmitObservable (opens in a new tab)
  • ESC India

    escindia.in

    Apply as an eligible Indian software or ITeS exporter with company, GST, IEC/DGFT and RCMC evidence as requested.

    Estimated domain authority DA ~40PaidQuickLive, conditional
    SubmitESC India (opens in a new tab)
  • Global Cyber Alliance

    globalcyberalliance.org

    Propose a concrete funded or in-kind your tool anti-scam, privacy or cyber-safety collaboration through Become a Partner.

    Estimated domain authority DA ~60PaidQuickLive, conditional
    SubmitGlobal Cyber Alliance (opens in a new tab)
  • WIP

    wip.co

    Join as the founder, create one your tool project page, and share genuine shipped improvements with links only when useful.

    Estimated domain authority DA ~50PaidQuickNot submitted
    SubmitWIP (opens in a new tab)

Usefulimpact 68–65

  • Commudle

    commudle.com

    Create a real developer profile, publish your original engineering tutorial or project, and join only relevant privacy or developer communities.

    Estimated domain authority DA ~40FreeQuickVerified live
    SubmitCommudle (opens in a new tab)
  • Flickr

    flickr.com

    Create your truthful /founder profile or content page and add the website link where allowed.

    Estimated domain authority DA ~95NofollowFreeQuickNot submitted
    SubmitFlickr (opens in a new tab)
  • GitLab

    gitlab.com

    Mirror open-source embed SDK or examples with homepage link.

    Estimated domain authority DA ~90NofollowFreeQuickNot submitted
    SubmitGitLab (opens in a new tab)
  • Goodreads

    goodreads.com

    Create your truthful /founder profile or content page and add the website link where allowed.

    Estimated domain authority DA ~90NofollowFreeQuickVerified live
    SubmitGoodreads (opens in a new tab)
  • Gravatar

    gravatar.com

    Create brand/founder profile with verified links.

    Estimated domain authority DA ~90NofollowFreeQuickNeeds checking
    SubmitGravatar (opens in a new tab)
  • HubPages

    hubpages.com

    Create your truthful /founder profile or content page and add the website link where allowed.

    Estimated domain authority DA ~85NofollowFreeQuickVerified live
    SubmitHubPages (opens in a new tab)
  • HundrED

    hundred.org

    Apply with a privacy/digital-safety education program that demonstrates real K-12 impact and scalability.

    Estimated domain authority DA ~60FreeQuickVerified live
    SubmitHundrED (opens in a new tab)
  • Liberapay

    liberapay.com

    Create your project team, connect verified project accounts, and describe the official website and repository contextually.

    Estimated domain authority DA ~65NofollowFreeQuickLive, conditional
    SubmitLiberapay (opens in a new tab)
  • Patreon

    patreon.com

    Create your truthful /founder profile or content page and add the website link where allowed.

    Estimated domain authority DA ~95NofollowFreeQuickNeeds checking
    SubmitPatreon (opens in a new tab)
  • PitchBook

    pitchbook.com

    Search for your tool; submit an accurate profile update or request research coverage with authoritative company data and website.

    Estimated domain authority DA ~85FreeQuickLive, conditional
    SubmitPitchBook (opens in a new tab)
  • ResearchGate

    researchgate.net

    An eligible active researcher can publish genuine your tool studies, code or datasets and add the official website where appropriate.

    Estimated domain authority DA ~95NofollowFreeQuickLive, conditional
    SubmitResearchGate (opens in a new tab)
  • Sketchfab

    sketchfab.com

    Publish an original educational 3D asset connected to your real tutorial, with accurate credits and a contextual project link in the description.

    Estimated domain authority DA ~90NofollowFreeQuickVerified live
    SubmitSketchfab (opens in a new tab)
  • SlideShare

    slideshare.net

    Create your truthful /founder profile or content page and add the website link where allowed.

    Estimated domain authority DA ~95NofollowFreeQuickNeeds checking
    SubmitSlideShare (opens in a new tab)
  • Stack Exchange

    stackexchange.com

    Build a real founder profile and answer narrowly relevant questions, linking to your resource only when it directly substantiates the answer.

    Estimated domain authority DA ~90NofollowFreeQuickNot submitted
    SubmitStack Exchange (opens in a new tab)
  • Stack Overflow

    stackoverflow.com

    Create your truthful /founder profile or content page and add the website link where allowed.

    Estimated domain authority DA ~95NofollowFreeQuickNot submitted
    SubmitStack Overflow (opens in a new tab)
  • Techendo

    techendo.com

    Create a genuine founder profile and share a useful build story or tutorial with a relevant link.

    Estimated domain authority DA ~30FreeQuickNeeds checking
    SubmitTechendo (opens in a new tab)
  • Wattpad

    wattpad.com

    Create your truthful /founder profile or content page and add the website link where allowed.

    Estimated domain authority DA ~90NofollowFreeQuickNeeds checking
    SubmitWattpad (opens in a new tab)
  • About.me

    about.me

    Create clean founder/product profile linking your tool.

    Estimated domain authority DA ~90DofollowFree + paid tierQuickNot submitted
    SubmitAbout.me (opens in a new tab)
  • Academia.edu

    academia.edu

    Publish genuine authored your tool research and add matching project or supporting-material URLs in the paper metadata.

    Estimated domain authority DA ~90NofollowFree + paid tierQuickLive, conditional
    SubmitAcademia.edu (opens in a new tab)
  • Bento

    bento.me

    Create visual link hub for your tool categories.

    Estimated domain authority DA ~70NofollowFree + paid tierQuickNot submitted
    SubmitBento (opens in a new tab)
  • Jimdo

    jimdo.com

    Create your truthful /founder profile or content page and add the website link where allowed.

    Estimated domain authority DA ~90Sometimes dofollowFree + paid tierQuickNot submitted
    SubmitJimdo (opens in a new tab)

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.