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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.
Join an instance, add your website to your bio and share original images.
Set up a profile with your site link and post short updates.
Discuss your Python packaging or tooling project in the relevant category.
Answer relevant questions genuinely; profile links to your tool.
Post a short write-up linking your Ruby gem, tutorial or tool.
Share your Rust crate or tool in the announcements category.
Find your author page and claim it so you can add your homepage and fix your paper list.
Switch to a public or business profile and add your website.
Announce open-source Swift packages in the related projects area.
Start a public channel for updates and put your site in the channel description.
Post build updates and tool launches.
Post your three.js experiment in the Showcase category with a live link and a few notes on how it was made.
Create a member profile with skills and links to your work.
Add your Australian business with consistent contact details and a website link.
Create visual/tool tip microblog with canonical links.
Use their podcaster form to submit your show's RSS feed.
Create business profile if eligible.
Host real build sessions or tool demos and add your tool to the channel About/social links.
Share your project in the creation-sharing node with a Chinese description.
Create a community page for your brand and add your website.
Check whether your company has a profile and submit corrections so it shows your real site and details.
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 or list an AI agent on the network and link your product in the agent profile.
Build a production-grade Camel component for your tool APIs and propose it upstream with generated component docs and tests.
Build a developer profile with your experience and portfolio link.
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.
Ask to join as a writer and submit frontend architecture, JavaScript or component-design articles.
Join, help with tech support threads and add your site to your profile where allowed.
Apply as talent and fill in your profile with skills and website.
Only submit if you build a Bubble-related app/template.
Open a designer profile and upload free or paid 3D models.
Share design/tool launch if genuinely useful.
Request writer access and submit coding tutorials or engineering write-ups through Medium.
Publish an Elm package with docs and a repository link.
Apply to write for the publication and submit startup or founder lessons through Medium.
Create a seller profile and gigs that describe services you really offer.
Become a contributor and upload vectors, photos or templates.
Make a creator profile and publish your game with links to your site.
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.