# altstackHQ/altstack-data: AI Tool Listing, free (github.com/altstackhq/altstack-data)

> altstackHQ/altstack-data is a software directory and review site at github.com/altstackhq/altstack-data. It lists AI products, with a rule: open-source alternatives only. Listing is free. The link you get is Nofollow: GitHub marks outside links in a README nofollow. Review: a maintainer reviews each pull request and may ask for changes. Terms read on github.com/altstackhq/altstack-data on 3 October 2026.

Data behind thealtstack.com, a directory of open-source alternatives to paid SaaS products; the README says it holds 488 tools in 32 categories, most of them AI models. A tool is added by a pull request that edits one JSON file and must meet the repository's vetting criteria. Outside pull requests were merged as recently as 21 Sep 2026.

- Site: https://github.com/altstackHQ/altstack-data
- Kind: SaaS and review sites
- Verdict: Open-source alternatives only
- Price: Free; added by pull request on GitHub
- Link you get: Nofollow: GitHub marks outside links in a README nofollow
- Review: A maintainer reviews each pull request and may ask for changes
- Reach: tiny (outside the Tranco top million; not in Common Crawl's web graph)
- How to submit: a form; the link or address shows on the page for signed-in visitors (https://listaify.com/login, free)
- Run by: The AltStack
- Lists: every kind of AI product
- Their rule: https://github.com/altstackHQ/altstack-data
- Checked: 2026-10-03

Page: https://listaify.com/places/altstackhq-altstack-data

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Source: Listaify, https://listaify.com. Every fact is read on the place's own pages on the date shown. Map of the site: https://listaify.com/llms.txt