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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.
Publish React UI components and link your site from your author profile.
Submit your AI product to their tool directory with category and description.
Submit your open-source Android library with its repository link.
Submit a link to an Android article, library or tool through the site.
Submit your site URL for the curated design gallery.
Submit your design portfolio or resume for the curated gallery.
Submit your site if it follows a raw, brutalist style.
Add your repository so contributors can subscribe to help triage its issues.
Email the curator a link to a useful DevOps article, tool or talk.
Post your product as a maker log or launch, ideally with a Korean description.
Add your Neovim plugin or config so it appears in their searchable directory.
Suggest your Flutter package so it is categorised in their curated catalog.
Submit your free API with a description and documentation link.
Share your open-source project or tool as a Show post with a Korean summary.
Reply to an issue or contact the editor with a link to a useful Go article or library you made.
Add your open-source repo via pull request so beginners find your labelled issues.
Use the newsletter's link submission option to suggest a useful iOS or Swift article or tool.
Submit your open-source starter or theme for a static site generator.
Licensed attorneys can claim a free profile and link their firm site.
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.
Submit your macOS menu bar app with a short description and screenshot.
Submit a site, app or component built with Svelte.
Submit your MCP server with a GitHub link and short description.
Send the editor a link to a strong Node.js article, package or release.
If your app calls models through OpenRouter, set the referer and title headers so it shows in public app rankings.
Suggest your app if it runs without installation and is free.
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.
Add your React Native library through a pull request to their GitHub repo.
Send the editor a link to a useful Ruby or Rails article, gem or tool.
Submit your SaaS product so its UI screens can be added to the gallery.
Add or claim your program and keep version info and description up to date.
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.
Add a project file to their GitHub repo pointing at your beginner-friendly issue label.
Suggest a useful UX article, tool or resource through the newsletter's submission option.
Submit a strong branding, UI or illustration project for possible feature.
If you serve Chinese users, submit your AI tool with a Chinese description.
Open a pull request to the awesome-go list with your Go library.
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.