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A maintained list of 1,854 legitimate backlink sites: directories, profile creation sites, guest posting sites, launch platforms, registries and marketplaces. 1,532 are free or have a free tier, 44 usually give a dofollow link, and 772 have an estimated DA of 70 or more. Every row shows authority, link type, cost and effort, and links straight to the submit page.
Apply as a designer with a portfolio to get a public profile.
Answer accessibility questions where you have real expertise and link your profile to your site.
Build a production-grade Camel component for your tool APIs and propose it upstream with generated component docs and tests.
Submit a polished web game through their developer route; published games carry a developer credit on the game page.
Help Ubuntu users with complete answers and keep your site link on your profile.
Create an artist or label page, upload your music and link your website.
Join, help with tech support threads and add your site to your profile where allowed.
Create official your tool update/tutorial blog if needed.
Only submit if you build a Bubble-related app/template.
Open-source a relevant geoscience model or component, complete the model questionnaire, and provide its code archive for CSDMS testing.
Create a genuine LaTeX privacy, redaction or document-safety package and include its exact your tool project homepage in the upload metadata.
Create a policy-compliant Debian package for your stable useful CLI, file the appropriate intent-to-package request, include accurate upstream metadata and secure a Debian sponsor for upload.
Submit a design or architecture project through their DIY submission tool with images and text.
Register as a member and publish blog posts on fintech, payments or banking technology.
Create a seller profile and gigs that describe services you really offer.
Create and thoroughly test a FreeBSD port for your stable CLI or desktop utility, include its canonical project website in WWW metadata and submit the patch through FreeBSD Bugzilla.
Become a contributor and upload vectors, photos or templates.
Create an account and publish a member blog on game development, tools or postmortems.
Make a creator profile and publish your game with links to your site.
Create a brand or artist channel, upload GIFs and apply for verification.
Create an account, add a profile link and optionally mirror an open-source repo.
Deploy a static docs or project site from a GitLab repository and link to your main site.
Add your indie game, post updates and link your studio site.
Send creative work for possible editorial coverage.
Write a Chinese-language technical post about your tool or open-source project.
Create a genuine media-metadata privacy or local-safety add-on and submit it to Kodi's official repository.
Authors can join the author program to get a linked author page.
Submit only if your tool page/template is built in Webflow.
Release your genuine SDK, verify its namespace, sign artifacts, and include accurate project, SCM, license and developer URLs.
Publish an article with a wallet login and link back to your site in context.
Send release notes for notable versions of your desktop software to their software news section.
Package your stable cross-platform 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.
Post your own games, animation or music and add your site to your profile.
Open a pull request to the Nuxt modules repository to list your module.
Make a channel and link your website in the about section and video descriptions.
Build your OpenWrt-compatible service or utility for a real router/privacy/security workflow, add correct package metadata and tests, then submit it to the official feed.
Apply as a freelancer and set up your profile and service offers.
Contribute your own photos or videos and link your site on your profile.
If your game is built with Phaser, submit it for their games and news coverage so it can appear on the site and in their newsletter.
Upload original images, vectors or videos and add a website link to your profile.
Four steps that work for a new site, a SaaS or a side project. No paid link packages, nothing that risks a penalty.
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.
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.
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.
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
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.
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.