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
All filters3
Highest impactimpact 100
- SubmitACT Rules Community (opens in a new tab)
ACT Rules Community
act-rules.github.ioImplement applicable ACT Rules, execute official test cases, publish the implementation report, join ACT-R CG, and propose your tool as an implementation.
Estimated domain authority DA ~45DofollowFreeQuickVerified liveAccessibility - SubmitContent Authenticity Initiative (opens in a new tab)
Content Authenticity Initiative
contentauthenticity.orgApply as a company and accurately describe your tool C2PA or content-provenance tools and intended participation.
Estimated domain authority DA ~60FreeQuickVerified liveContent Authenticity - SubmitCycloneDX Tool Center (opens in a new tab)
CycloneDX Tool Center
cyclonedx.orgAdd standards-valid CycloneDX support, then submit your structured entry through the official contribution workflow.
Estimated domain authority DA ~55FreeQuickVerified liveSBOM Ecosystem - SubmitFreeNoSignup (opens in a new tab)
FreeNoSignup
freenosignup.comSubmit one or more free your tool utilities that work without registration.
FreeQuickVerified liveNo-Signup Tool Directory - SubmitMERLOT (opens in a new tab)
MERLOT
merlot.orgPublish a genuinely reusable privacy or accessibility lesson on your tool, give it a stable URL and open license, then add its educational metadata to MERLOT.
Estimated domain authority DA ~70FreeQuickVerified liveOpen Education - SubmitRapidAPI Hub (opens in a new tab)
RapidAPI Hub
rapidapi.comList your stable API with OpenAPI definitions, clear endpoints, health checks and its official website in the permitted listing field.
Estimated domain authority DA ~80FreeQuickVerified liveAPI marketplace - SubmitSAYUJ by STPI (opens in a new tab)
SAYUJ by STPI
sayuj.netRegister your tool as an Indian startup, complete its offering profile, and use Product Expo or Startup Connect when relevant.
FreeQuickVerified liveGovernment Startup Network
High impactimpact 86
- SubmitAlfred Gallery (opens in a new tab)
Alfred Gallery
alfred.appBuild a privacy-safe macOS Alfred workflow that opens or runs useful your tool actions, publish it on the forum, gather feedback, and seek Gallery inclusion.
Estimated domain authority DA ~50FreeQuickVerified liveProductivity Workflow Gallery - SubmitAnkiWeb Add-ons (opens in a new tab)
AnkiWeb Add-ons
ankiweb.netBuild a useful Anki privacy, study-safety, or accessibility add-on, package it as .ankiaddon, and upload it through AnkiWeb.
Estimated domain authority DA ~65FreeQuickVerified liveProductivity Extensions - SubmitApache Airflow Ecosystem (opens in a new tab)
Apache Airflow Ecosystem
airflow.apache.orgCreate your real Airflow provider with hooks/operators and documentation metadata, publish it, then add it to Airflow’s Ecosystem page by PR.
Estimated domain authority DA ~90NofollowFreeQuickVerified liveWorkflow Orchestration - SubmitBuildkite Plugins Directory (opens in a new tab)
Buildkite Plugins Directory
buildkite.comBuild a pipeline plugin that runs your tool checks on selected artifacts and posts configurable pass, warn, or fail annotations.
Estimated domain authority DA ~70FreeQuickVerified liveCI/CD - SubmitCodePen (opens in a new tab)
CodePen
codepen.ioBuild 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 liveFrontend Developer Community - SubmitCoFoundersLab (opens in a new tab)
CoFoundersLab
cofounderslab.comCreate a complete founder and startup profile for your tool and participate in relevant founder discussions or connection requests.
Estimated domain authority DA ~65NofollowFreeQuickVerified liveFounder and Creator Community - SubmitCybil Knowledge Portal (opens in a new tab)
Cybil Knowledge Portal
cybilportal.orgSubmit a genuine international cyber-capacity-building project, tool, publication or webinar with evidence and a live resource URL.
Estimated domain authority DA ~40FreeQuickVerified liveCyber Capacity Building - SubmitDatoCMS Plugin Marketplace (opens in a new tab)
DatoCMS Plugin Marketplace
datocms.comBuild your privacy or security field plugin, publish the npm package, and use your tool as its homepage and support site.
Estimated domain authority DA ~65FreeQuickVerified liveCMS Plugin Marketplace - SubmitDirectus Marketplace (opens in a new tab)
Directus Marketplace
directus.comPublish your genuine Directus extension to npm and complete author, documentation, support, and website metadata.
Estimated domain authority DA ~65FreeQuickVerified liveCMS Plugin Marketplace - SubmitDokuWiki Plugins (opens in a new tab)
DokuWiki Plugins
dokuwiki.orgBuild a DokuWiki privacy, redaction, accessibility, or secure-export plugin, publish its code and create the canonical plugin page used by the extension directory.
Estimated domain authority DA ~70NofollowFreeQuickVerified liveWiki Extensions - SubmitEclipse Marketplace (opens in a new tab)
Eclipse Marketplace
eclipse.orgPublish a functional Eclipse plugin for your developer use case, then create a complete marketplace listing with official support and source links.
Estimated domain authority DA ~90NofollowFreeQuickVerified livePlugin marketplace - SubmitFOSSRadar (opens in a new tab)
FOSSRadar
fossradar.devAfter open-sourcing a maintained component, submit the TOML project file and website through GitHub PR.
FreeQuickVerified liveOpen-Source Directory - SubmitFourthwall (opens in a new tab)
Fourthwall
fourthwall.comOffer a substantial free privacy checklist, accessibility workbook, or safety template from a branded storefront and link your tool only as supporting documentation.
Estimated domain authority DA ~70NofollowFreeQuickVerified liveCreator Storefront - SubmitFramer Marketplace (opens in a new tab)
Framer Marketplace
framer.comCreate a functional Framer plugin for accessibility, metadata, responsive-content, or privacy checks and publish it with your tool documentation.
Estimated domain authority DA ~85NofollowFreeQuickVerified liveDesign Plugin Marketplace - SubmitFrappe Cloud Marketplace (opens in a new tab)
Frappe Cloud Marketplace
frappe.ioBuild your useful -related Frappe app, publish it through Frappe Cloud Marketplace, and include the official project/site link in its genuine listing.
Estimated domain authority DA ~65FreeQuickVerified liveDeveloper Ecosystem - SubmitFrontend Mentor (opens in a new tab)
Frontend Mentor
frontendmentor.ioComplete a relevant accessibility or privacy-themed challenge, submit its real live URL and public repository, and add your tool only as maker context or a case-study link.
Estimated domain authority DA ~65NofollowFreeQuickVerified liveProject Showcase - SubmitGlasp (opens in a new tab)
Glasp
glasp.coCreate 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 liveKnowledge Curation - SubmitGlobal Accessibility Awareness Day (opens in a new tab)
Global Accessibility Awareness Day
accessibility.dayHost a genuine public accessibility learning or testing event and submit its dates, description and your tool event URL.
Estimated domain authority DA ~30FreeQuickVerified liveAccessibility - SubmitHexo Plugin List (opens in a new tab)
Hexo Plugin List
hexo.ioCreate a functional Hexo plugin for your relevant capability, publish the package, then add its record to Hexo's official plugin data repository.
Estimated domain authority DA ~75FreeQuickVerified liveDeveloper Ecosystem - SubmitMeltanoHub (opens in a new tab)
MeltanoHub
hub.meltano.comBuild a Singer SDK tap that incrementally extracts your tool audit runs and findings, then add it through MeltanoHub's official issue-assisted or self-service contribution path.
Estimated domain authority DA ~50FreeQuickVerified liveData Integration - SubmitNeedle Directory (opens in a new tab)
Needle Directory
useneedle.netSign in and submit your accurate product profile for review.
FreeQuickVerified liveProduct Discovery Directory - SubmitNimble Directory (opens in a new tab)
Nimble Directory
nimble.directoryRelease a maintained Nim client or utility for your tool and publish it through Nimble with accurate repository and homepage metadata.
Estimated domain authority DA ~35FreeQuickVerified livePackage registry - SubmitNode-RED Flow Library (opens in a new tab)
Node-RED Flow Library
nodered.orgCreate your functional Node-RED node, publish it to npm, and add it to the Flow Library with documentation and support metadata.
Estimated domain authority DA ~65FreeQuickVerified liveAutomation Package Library - SubmitNuGet (opens in a new tab)
NuGet
nuget.orgPublish a real .NET library or CLI package with ProjectUrl, readme, repository and license metadata.
Estimated domain authority DA ~85NofollowFreeQuickVerified livePackage Registry - SubmitNVDA Add-on Store (opens in a new tab)
NVDA Add-on Store
addonstore.nvaccess.orgBuild an installable privacy or accessibility NVDA add-on and submit it through the official add-on datastore workflow.
Estimated domain authority DA ~60FreeQuickVerified liveAccessibility - SubmitObsidian Community Plugins (opens in a new tab)
Obsidian Community Plugins
obsidian.mdBuild a unique and useful Obsidian plugin, create valid releases and submit it to the community plugin directory.
Estimated domain authority DA ~75FreeQuickVerified livePlugin Directory - SubmitOpen Hub (opens in a new tab)
Open Hub
openhub.netAdd or claim your genuine open-source project and complete its description, code locations, tags and official homepage.
Estimated domain authority DA ~75NofollowFreeQuickVerified liveOpen-Source Directory - SubmitOpenChain (opens in a new tab)
OpenChain
openchainproject.orgImplement a scoped open-source compliance or security-assurance program, self-certify honestly, then request your tool Community of Conformance listing.
Estimated domain authority DA ~50FreeQuickVerified liveSupply-chain Trust - SubmitOpenTelemetry Registry (opens in a new tab)
OpenTelemetry Registry
opentelemetry.ioAdd native OpenTelemetry support or build your useful instrumentation or utility, then submit its registry metadata and documentation links.
Estimated domain authority DA ~75FreeQuickVerified liveObservability Ecosystems - SubmitPackage Control (opens in a new tab)
Package Control
packagecontrol.ioBuild a useful Sublime Text integration for your developer workflow, document it publicly and submit the package for review.
Estimated domain authority DA ~60FreeQuickVerified livePlugin registry - SubmitPipedrive Marketplace (opens in a new tab)
Pipedrive Marketplace
pipedrive.comBuild a Pipedrive OAuth integration for safe note export, duplicate cleanup, or PII auditing and submit your unique listing.
Estimated domain authority DA ~85FreeQuickVerified liveCRM App Marketplace - SubmitPlatformIO Registry (opens in a new tab)
PlatformIO Registry
registry.platformio.orgPackage a real embedded privacy or security library for supported boards, add complete PlatformIO manifest and examples, test it, and publish it publicly.
Estimated domain authority DA ~60FreeQuickVerified liveEmbedded Development - SubmitPowerShell Gallery (opens in a new tab)
PowerShell Gallery
powershellgallery.comPublish your stable module or script with ProjectURI, LicenseURI, tags, help and examples.
Estimated domain authority DA ~75NofollowFreeQuickVerified livePackage Registry
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.
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.
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.
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.
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 viewAn 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
One-shot launches where timing and preparation decide the outcome.
Publications that accept contributed articles. Slow and editorial, but the links are earned.
Fast-growing listings specifically for AI-powered tools.
Extension, plugin and integration stores. Real review processes, real distribution.
Startup listings, beta lists and founder media.
General tool and software catalogues with real search traffic.
B2B review sites. Slow to approve, strong once live.
Package, image and docs hosting that carries real authority.
Showcases judged on craft. A good screenshot matters more than copy.
Write once, link back. Editorial standards vary widely.
Get quoted or distribute a release. Slower, higher ceiling.
Company and local listings. Unglamorous, consistently indexed.
Owned pages you control: company, founder, knowledge-panel entities.
Answer real questions. Never drop a bare link.
Brand surface and referral traffic more than link equity.
Everything that does not fit the buckets above.