A maintained list of 1,432 directories, launch platforms, registries and marketplaces that accept product submissions. 1,134 of them are free or have a free tier, and 192 are quick wins — free, low effort, and worth doing first. Every row shows cost, effort and priority, and links straight to the submission page.
Apply through the official Linux Foundation enrollment if your tool will genuinely implement or contribute to C2PA standards.
Apply as an eligible Indian software or ITeS exporter with company, GST, IEC/DGFT and RCMC evidence as requested.
Propose a concrete funded or in-kind your tool anti-scam, privacy or cyber-safety collaboration through Become a Partner.
After publishing a mature security policy and VDP, contact the Secretariat to apply as a signatory to all four principles.
Submit a working AI feature with accurate categorization, pricing, description, and screenshots for quality review.
Build a Homey app only if your tool adds a genuine IoT privacy or local-device workflow; package, test, validate, and submit it for certification.
Host your maintained open-source component with complete README, homepage/source metadata, releases and optional pages.sr.ht docs.
Submit only your specific AI tool with the official site and contact email, not the platform as a generic tools directory.
Email the directory team to request your profile for its genuine accessibility tools.
Consider only after your tool becomes a substantive cloud or AI security vendor and can participate in CSA programs.
Onboard only when your tool is a mature, live and independently valuable service for the European research community, under a legal or hosting entity.
Only if your tool builds a real commercial FIDO2 or passkey server, complete conformance and interoperability testing and submit it.
Consider organizational membership if your tool actively participates in privacy or AI governance; complete the member directory profile.
If your tool ships an OpenID Provider or Relying Party, pass the suite, publish evidence, sign the declaration and submit the implementation.
Behind the list
Every row here starts as a line in a sheet, gets normalised into one of 15 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.
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.