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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.
Register as your tool vendor and add its software/service profile.
If your tool ships a real tool that reads, validates, generates, visualizes, or otherwise supports AsyncAPI documents, add the required .asyncapi-tool metadata file and submit it for the public tools dashboard.
Answer real end-user software or privacy questions in depth and reference your specific page only when it materially completes the answer.
If your component is open source and genuinely targeted at public administration, add valid publiccode.yml metadata so the catalogue crawler can discover it.
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.
Release your genuinely free-software desktop or self-hosted component with free documentation and transparent downloads, then submit a custom directory entry.
Deposit your research-level open-source component or related preprint/report with accurate project and source links.
If your tool ships a macOS CLI or desktop helper, create a maintained tap with a real release, version, checksum, and official homepage metadata.
Archive your authentic release, manual or research artifact with accurate metadata and official source URL.
If your tool releases a suitable open-source Android app, request inclusion with public source, tagged APK releases, Fastlane metadata and website 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.
Submit only your substantive free-software component that runs primarily on free systems and needs authentic Savannah project hosting and collaboration.
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.
Build your Trello Power-Up, register it, sign the developer agreement, and submit it.
Submit/claim software alternative listing if available.
Create vendor account and submit software.
Submit your maintained developer tool with concise description, pricing and relevant tags.
Publish your genuine benchmark, dataset, software artifact, poster, or methods report with the canonical project URL in metadata.
Submit your tool if B2B/productivity categories fit.
Create your vendor account targeting Indian software buyers.
Submit your tool as productivity/software platform.
Submit your focused developer utility with repository, documentation and supported platforms.
Create vendor profile and collect authentic reviews.
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.
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.