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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.
Create a vendor portal account and request your tool under the closest eligible Gartner market category.
Create a public Tool Trust Notes newsletter site with original privacy, accessibility, founder, and engineering field reports, using your tool links only where they directly support each issue.
Publish your privacy-checking notebook, synthetic benchmark, AI model, app, or defensive MCP server.
Launch your properly scoped vulnerability disclosure or public bug-bounty program.
Join the vendor program and package your tool as a legitimate one-click app or supported SaaS add-on with documentation and website links.
After security readiness, launch a properly scoped public VDP or bounty program with safe-harbor language, assets, response SLAs and funded rewards where applicable.
Build an Automation 360 bot or package for your document, privacy, or evidence workflow and submit dependencies plus a working demonstration.
Build a real Heroku add-on or qualifying open-source buildpack and progress it through the partner release stages.
Package your deployable self-hosted architecture for IBM Cloud, complete Partner Center onboarding, and request public catalog approval.
Build your branded newsroom, publish media-ready stories, and send targeted pitches to opted-in contacts.
Pitch lifetime/free deal if your tool has paid tier later.
Publish genuine demo videos and add your tool to the approved creator profile website field.
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.