Trac Project Management

一个项目管理系统，用网页作为界面。
http://trac.edgewall.org/

Trac is a lightweight project management tool that is implemented as a web-based application. Trac is written in the Python programming language and needs a database (either SQLite, PostgreSQL, or MySQL works). For HTML rendering, Trac uses the ClearSilver templating system.