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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 a genuine browser or desktop your tool utility with screenshots, documentation and an official-site link.
Publish an original UI/UX visual case study showing your tool interaction design, accessibility states, and design process, with a contextual project URL.
Create an age-appropriate digital-citizenship or privacy FlexBook chapter with practical your tool exercises.
After releasing your real CLI or native app, submit a tested formula or cask with its canonical homepage.
Join an approved organization and publish a documented humanitarian privacy/safety dataset with licence and responsible-access settings.
Create a public reproducibility project for your tool research, datasets, test methods, or privacy benchmarks and link the genuine project/site.
After your tool has eligible ReliefWeb content, request publishing access and submit humanitarian reports or training from verified owned URLs.
Launch your properly scoped vulnerability disclosure or public bug-bounty program.
Publish a Canadian-ready, openly licensed privacy or digital-citizenship textbook and use Contribute → Suggest a Textbook.
Launch your real educational podcast, complete its public site, and cite relevant tools and sources in useful show notes.
Publish a polished original guide, research brief, or accessibility zine as a public document, with useful references and your relevant link inside the editorial content.
Create an authentic your tool or founder design portfolio with substantive case studies and contextual links to shipped tools.
Publish a mature open-source interoperability or public-administration solution with documentation, releases, licence, and owner metadata.
Pitch original your tool security research, a defensible dataset or timely threat analysis.
Create a public privacy-tool research library with credible standards, papers, and references, including only genuinely relevant your tool documentation.
Package your deployable self-hosted architecture for IBM Cloud, complete Partner Center onboarding, and request public catalog approval.
Package your supported self-hosted edition or integration for RHEL or OpenShift and complete Red Hat Partner Validation for a catalog page.
Create a founder or product-design portfolio with your original case study and add the canonical site as an external menu link.
Create a legitimate free or paid your tool resource or software product and publish it on a branded hosted storefront.
Apply as a General Member only if your tool will meaningfully contribute engineering or resources to open-source security.
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.