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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.
Submit a mature scientific Python package related to your privacy or accessibility workflow for public review and listing.
Build and test a legitimate QIIME 2 plugin for a microbiome-data privacy, validation or provenance use case, then distribute it through the QIIME 2 Library.
Independently reproduce a published computational privacy or security result with open code and data, using your tool only where scientifically justified.
Organize the complete code, data, materials, and outputs behind your real evaluation study into a public citable box.
If your tool produces a research-grade R package, submit a presubmission inquiry and the package for open review.
Build a real ROS package for your robotics/privacy/safety workflow, release it through rosdistro and expose maintained README, documentation and source links in ROS Index.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Publish your substantive privacy template, workbook, or creator resource with a complete description, original previews, and accurate licensing.
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.
Register and claim a company profile only if your tool has a genuine German headquarters, branch or founding connection.
Create your truthful /founder profile or content page and add the website link where allowed.
Submit startup profile.
Submit startup if active.
Pitch if your tool has strong startup angle.
Submit startup for feedback/listing.
Submit early-stage product for feedback/visibility.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Create a Void package template for your mature CLI, test native and cross builds, include the canonical project homepage and submit it to void-packages.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Author a freely licensed hands-on module for safe document sharing or privacy-first web use with relevant your tool examples.
Create a polished accessible light/dark developer-documentation theme with your optional pre-deploy audit example, then submit it to the official themes repository.
Submit product-launch press release if newsworthy.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Create your truthful /founder profile or content page and add the website link where allowed.
Upload your original useful guide, complete its metadata and include relevant citations or resource links.
Create your truthful /founder profile or content page and add the website link where allowed.
Submit beta feature/tool for tester community.
Create your free Bio Site and organize homepage, tool-category and social links for real visitors.
Make mini landing page for your tool categories linking home/tools.
Add or claim your tool only if it has a genuine US business presence, then verify the website and business details.
Look for submit/add listing and submit AI modules.
Pitch/list company/tool if category fits.
Create page and share in relevant groups if allowed.
Submit your tool as web app/tool collection.
Use the 'Submit your British startup' application only if your tool was genuinely founded in the UK.
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.
Run your genuine privacy/security publication and add contextual links in original posts and About pages.
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.