opensourcestartups
Curated directory of open source startups and alternatives
About opensourcestartups
opensourcestartups is a curated directory that helps developers discover open source startups and self-hostable alternatives to popular tools such as Notion, Slack, Zapier and Airtable. It is aimed at developers and technical founders who want to evaluate open source projects without searching GitHub manually.
The directory lists 856 projects across 12 categories, ranked by GitHub stars and kept in sync automatically from GitHub, including stars, forks, language, license and topics. Listings can be submitted by pasting a repository URL, and the site also offers a free public API catalog and a search tool filterable by language, category and popularity.
What sets it apart is its focus on open source and GitHub-native data rather than algorithmic rankings, with editor-picked featured projects alongside the full index.
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