Kallithea is a free software source code management system supporting two leading version control systems, Mercurial and Git. Developed by Software Freedom Conservancy
License: Open Source
Kallithea is an open-source, self-hosted solution suitable for teams looking for flexibility and control over their repositories. In contrast, Bitbucket offers a cloud-hosted service with strong integration capabilities and CI/CD features, ideal for teams already using Atlassian products.