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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 an original, media-rich tutorial or founder case study with useful screenshots and your contextual reference, using a complete real profile.
Publish your original guide or annual privacy report and add useful contextual website links through the Hotspot Editor.
Create a durable project journal containing original founder and engineering posts, using contextual your tool links and real authorship rather than copied site content.
Create a founder blog that shares compact product lessons and full tutorials linking to your relevant page when useful.
Sponsor your tool’s strongest browser or JavaScript-based developer utility with copy tailored to working JS developers.
Run a clearly disclosed campaign for your tool’s developer and security tools across relevant Changelog podcasts or newsletters.
Use a real writer or designer identity, add authored your tool work as a properly credited clip or case study, and include the personal website link in the profile.
Place your targeted campaign in TLDR Dev, InfoSec, AI, Tech, Product, or Founders with a focused landing page.
Document your tool privacy, accessibility, and tool-discovery UX as a credible case study and link to the live product from relevant case-study text.
Start your focused field-notes blog and publish useful privacy, accessibility, and security explainers with natural source links.
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.
Create a journal, fill in your profile and publish posts that link to your work where relevant.
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 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.
Open a pull request on the newsletter's GitHub repository to add your Rust blog post or project.
Create visual/tool tip microblog with canonical links.
Create official your tool update/tutorial blog if needed.
Host a static site for a free or open-source project from a Codeberg repository.
Register as a member and publish blog posts on fintech, payments or banking technology.
Create an account and publish a member blog on game development, tools or postmortems.
Deploy a static docs or project site from a GitLab repository and link to your main site.
Create a Hive account and publish posts in relevant communities, linking to your own content where useful.
Publish an article with a wallet login and link back to your site in context.
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.
Create tool-of-the-week newsletter linking your tool.
Write a useful guide in Craft and share it as a public web page with links to your site.
Upload a useful PDF, such as a checklist or guide, and set it to public with your site referenced inside.
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.
Publish a public Prezi about your topic or product and add your website in the description.
Turn a PDF guide or catalog into a public flipbook and add your website to the description.
Convert your original guide into a public flipbook and add useful external-resource hotspots where relevant.
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.