version-control

Weblate is a web-based translation tool with tight version control integration. Built with Python and Django, it provides comprehensive localization management with strong Git integration, making it ideal for open source projects and development teams.

Review Board is a powerful web-based code review tool that helps developers collaborate and review code changes before they're committed to version control. Built with Python and Django, it provides comprehensive code review workflows for teams of all sizes.

Xandikos is an open source CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository. Built with Python, it provides a unique approach to calendar and contact synchronization using Git for version control and data storage.

Trac is an enhanced wiki and issue tracking system for software development projects. Built with Python, it provides an integrated approach to project management by combining wiki documentation, issue tracking, and version control browsing in a unified web interface.

Fossil is a distributed version control system featuring an integrated wiki and bug tracker. Built as a single executable, it provides a complete software configuration management system with web interface, making it ideal for projects that want everything in one tool.