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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.
Prepare a focused open-source defensive tool with English documentation, reproducible demos, and a technical presenter, then submit to the next relevant Arsenal Call for Tools.
Apply for the free Basic profile with a current website, clear business value, category, pricing, and authentic reviews.
Join as the founder, create one your tool project page, and share genuine shipped improvements with links only when useful.
Develop original, defensible research around AI-agent abuse, prompt injection, document forensics, scam detection, or privacy engineering and submit a demo-backed talk in the next cycle.
Publish useful browser extension linking your tool.
Build an OAuth app that audits merchant exports or product assets for privacy issues, then submit tested listing assets through the Developer Portal.
Submit your tool best landing or tools page with a strong screenshot, accurate categories, and creator details.
Create a founder or product-design portfolio with your original case study and add the canonical site as an external menu link.
Build and test a Snowflake Native App for privacy-safe data inspection, create its application package and listing, pass scans, and publish through an eligible provider account.
Submit AI tools/features with multilingual description.
Submit AI-facing feature; contact for verification.
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.
Submit your tool strongest responsive or product page with a clean screenshot and concise design summary.
Submit a high-resolution screenshot, short design description, relevant categories, and your official URL.
Submit only AI-specific your tool modules.
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.