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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.
Publish your genuine Rust client, CLI, parser, or privacy library and set homepage, repository, README, license, and documentation metadata.
Package your real MCP server, verify its namespace, create server.json and publish it with mcp-publisher.
Publish your real PHP SDK or integration from a public repository and set the canonical homepage in composer.json.
Publish your real Python SDK, CLI, or integration package and set Homepage, Documentation, Source, and Issues URLs in package metadata.
Publish and maintain your genuine Ruby client, CLI, or integration gem with accurate homepage, source, documentation, and changelog metadata.
Ship your real CLI or desktop utility as a tested package with homepage, project and support metadata.
Publish your maintained CLI or server image with source, documentation, descriptions and canonical homepage links.
Publish your useful package to a supported registry with accurate source and homepage metadata so Open Source Insights can index it.
Submit your maintained open-source project through Submit a Project.
Run Scorecard on your public component, enable published results, remediate checks, and link the public viewer from repository documentation.
Publish your reproducible testing, privacy-analysis or accessibility-evaluation method and cite relevant project resources.
Submit your original -related technical paper and cite your tool only where it is genuinely the software or study subject.
Create a substantive public tutorial or implementation note that uses your tool and includes a contextual source/product link.
Deposit your genuine benchmark, evaluation dataset or reproducibility bundle with project URL in the description/metadata.
Release your useful JVM or Android library from GitHub with a working build, release tag, README and canonical project links.
Package your real CLI or desktop utility, set accurate homepage metadata, test it, and submit the Nixpkgs pull request.
Publish a real OCaml library or CLI integration and use opam's homepage field for its canonical your tool project page.
Create your genuine study, reproducibility project or benchmark workspace with project links and public materials.
Publish a real multi-language Pulumi provider or component for deploying or configuring your tool, with binaries, SDK packages, schema, documentation, examples, tests, and a registry pull request.
Create a genuine LaTeX privacy, redaction or document-safety package and include its exact your tool project homepage in the upload metadata.
Publish a useful D client library or privacy utility with accurate homepage and repository metadata in dub.json or dub.sdl.
Submit data underlying your legitimate -related research paper and include related software/project identifiers.
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.