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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.
Create company listing with website link.
Submit if a commerce-style/tool landing page fits.
Publish a documented social, ecological, or computational model with source, narrative documentation, contributors, and reproducibility metadata.
Open-source a relevant geoscience model or component, complete the model questionnaire, and provide its code archive for CSDMS testing.
Create a genuine LaTeX privacy, redaction or document-safety package and include its exact your tool project homepage in the upload metadata.
Build a Cytoscape 3 app for a genuine graph privacy, provenance or network-audit workflow, provide website/source metadata and submit its first release for administrator approval.
Create a policy-compliant Debian package for your stable useful CLI, file the appropriate intent-to-package request, include accurate upstream metadata and secure a Debian sponsor for upload.
Share design/tool launch if genuinely useful.
Publish a useful D client library or privacy utility with accurate homepage and repository metadata in dub.json or dub.sdl.
Submit only after your tool releases a signed Windows desktop utility.
Build the founder/company profile and add accurate your tool links, stage and product details.
Create your truthful /founder profile or content page and add the website link where allowed.
Create and thoroughly test a FreeBSD port for your stable CLI or desktop utility, include its canonical project website in WWW metadata and submit the patch through FreeBSD Bugzilla.
Build a tested Galaxy wrapper for your medical-data privacy or de-identification workflow and publish it in the main ToolShed.
Submit the company profile with logo, industry, stage, location and official your tool URL.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Submit new your tool feature/platform launch.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Develop a stable ioBroker adapter for your credible privacy/security API, publish the npm package, test it with users and request inclusion in the official latest repository.
Submit your tool for startup feature/review.
Create a genuine media-metadata privacy or local-safety add-on and submit it to Kodi's official repository.
Build a WASI/LSP Volt that surfaces useful your tool diagnostics for HTML or SEO configuration files, then publish it with the official Volts CLI.
Create a Lua plugin with real commands for your tool URL audits or JSON validation and add a conforming manifest entry to the official Lite XL plugin repository.
Submit only if your tool page/template is built in Webflow.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Release your genuine SDK, verify its namespace, sign artifacts, and include accurate project, SCM, license and developer URLs.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Package your stable cross-platform CLI for pkgsrc, test it with pkglint and supported builds, include the canonical homepage, then submit via pkgsrc-wip or NetBSD's package bug tracker.
Propose and contribute your standards-compliant -related bioinformatics privacy module, subworkflow, or full Nextflow pipeline.
Create a meaningful NWB extension for privacy, provenance, or consent metadata and submit its staged-extension YAML through an official pull request.
Submit your focused one-page landing page.
Create your truthful /founder profile or content page and add the website link where allowed.
Organize a rigorous life-science privacy-tool benchmark or participate with your eligible method and publish validated results.
Build a real openHAB add-on that integrates your home-network privacy or safety service, provide addon.xml, tests and documentation, then submit it upstream.
Build your OpenWrt-compatible service or utility for a real router/privacy/security workflow, add correct package metadata and tests, then submit it to the official feed.
Create expert profile and answer media queries.
Publish an original benchmark or evaluation study of local-first privacy or security tooling with open code, data, and your tool implementation.
Create your truthful /founder profile or content page and add the website link where allowed.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
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.