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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.
Upload a guide, report or catalog as a public publication and add your website to the profile and description.
Submit a link to an Android article, library or tool through the site.
Email the curator a link to a useful DevOps article, tool or talk.
Reply to an issue or contact the editor with a link to a useful Go article or library you made.
Use the newsletter's link submission option to suggest a useful iOS or Swift article or tool.
Submit a link to a Kotlin article, talk or library you published.
Submit your Laravel tutorial or package through the site's community links or tip options.
Send the editor a link to a strong Node.js article, package or release.
Send the editor a link to a useful Postgres article, extension or tool.
Submit a link to a strong Python article, tutorial or open-source project you published.
Send the editor a link to a useful Ruby or Rails article, gem or tool.
Send the curator a link to an incident write-up, reliability article or tool.
Open a pull request on the newsletter's GitHub repository to add your Rust blog post or project.
Suggest a useful UX article, tool or resource through the newsletter's submission option.
Write a useful guide in Craft and share it as a public web page with links to your site.
Create a deck or one-page doc and publish it to the web with links to your site.
Publish a digital magazine, report or brochure and link to your site from the listing.
Design an infographic with your own data and publish a public link that points back to your site.
Create a presentation about your product or research and share it publicly with a link to your site.
Turn a PDF guide or catalog into a public flipbook and add your website to the description.
Upload a static page, demo or PDF and share it on a tiiny.site subdomain with a link to your site.
Create an infographic or presentation and publish it to the web with a link to your site.
Create official tutorials/mirror with links.
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.