The TRAC is known as the management of SCM and project management. But after reading, let me feel a little - whether and SCM integration should also be an indicator for selecting a defect tracking system. It seems to look back at TestDirector if there is no functionality with SVN.
Trac is an enhanced wiki and issue tracking system for software development projects Trac uses a minimalistic approach to web-based software project management Our mission;... To help developers write great software while staying out of the way Trac should impose as little as possible ON A Team's Established Development Process And Policies.
IT Provides An Interface To Subversion, An Integrated Wiki and Convenient Report Facilities. TRAC - Item Management Platform Configuration TRAC ========================= Scarab: Flexible Artifact Management