Trac is an open source enhanced wiki and issue tracking system for software development projects. Trac uses a minimalist approach to web-based software project management. It provides an interface to version control systems (Subversion, Git, Mercurial,
), an integrated Wiki and convenient reporting facilities. As many open source project, Trac has a plugin architecture that allows to extend the core functionalities. Here is a list of Scrum and Agile oriented plugins available in the Trac ecosystem.