Trac is an integrated system for managing software projects, an enhanced wiki, a flexible web-based issue tracker, and an interface to the Subversion revision control system. At the core of Trac lies an integrated wiki and issue/bug database. Using wiki markup, all objects managed by Trac can directly link to other issues/bug reports, code changesets, documentation and files. Around the core lies other modules, providing additional features and tools to make software development more streamlined and effective.