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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 individual your tool tools that are free, secure and usable without registration.
Make your tool generate or consume valid SPDX, document validation, then file the requested supplier-information issue with its canonical URL.
Submit one released evaluator such as WCAG Quick Auditor with accurate standards, scope, license, release date, and accessibility-statement details.
Submit your tool with a clear business use case, logo and optional demo video.
Build a current CodeMeta validator, privacy linter, or integration and propose inclusion through the official website repository.
Publish your containerized research workflow or tool using CWL, WDL, Nextflow, Galaxy, or a supported notebook descriptor.
Create your company profile using your official email.
Create a vendor account and submit accurate your tool features, logo and pricing.
Suggest your tool and complete its B2B software profile.
Email your complete listing with a concise description, URL, tags, pricing, logo, screenshots and real features.
Build a reusable Typst privacy, accessibility, or document-checking package with a valid manifest, docs, examples, and tests, then submit it to the official packages repository.
Publish your genuine open dataset, benchmark, software release, poster, or reproducible research artifact and connect its related identifier to your tool.
Submit your security-focused product or tool for editorial classification.
Register as your tool vendor and add its software/service profile.
Answer real end-user software or privacy questions in depth and reference your specific page only when it materially completes the answer.
Build a generic DHIS2 health-data de-identification or permission-audit app and submit it to App Hub for core-team review.
Discuss your substantive -backed research-software quality task or resource with the Editorial Board, then contribute through its approved workflow.
Deposit your research-level open-source component or related preprint/report with accurate project and source links.
Package a complete computational privacy or accessibility learning module and submit its reusable artifact plus Markdown paper.
Submit your tool product, website, owner, and category information.
Register your tool and complete the product, company, and category fields.
Suggest one mature your tool utility through the official Codeberg issue path only if it is an easy-to-use, privacy-respecting replacement for a clearly identified invasive service.
Contribute a substantive accessibility role template, translation or toolkit improvement with useful source attribution.
Publish your genuine benchmark, dataset, software artifact, poster, or methods report with the canonical project URL in metadata.
Create your vendor account targeting Indian software buyers.
Use the Submit Tool flow with your tool URL, pricing, categories, original description and icon.
Submit your tool with logo, pricing model, concise tagline and a unique product description.
Open-source your reusable research-focused component, archive it with a persistent identifier, and submit a software metapaper with project/code links.
Submit your -related astronomy utility only after it has been used in research submitted to or published by a refereed journal.
Open-source a relevant geoscience model or component, complete the model questionnaire, and provide its code archive for CSDMS testing.
Organize a rigorous life-science privacy-tool benchmark or participate with your eligible method and publish validated results.
Submit a mature scientific Python package related to your privacy or accessibility workflow for public review and listing.
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.
Register an actual neuroimaging privacy, quality-control, or data-processing tool through NITRC's resource workflow.
Submit your tool for manual inclusion in the software directory.
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.