MantisBT

Community-driven platform for collaborating, managing, organizing and reviewing software...

Simple-to-use and -install issue tracking system with command-line, web, REST, XML-RPC, and e-mail...

Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git...

Platform for secure collaboration across the entire software development lifecycle, can be...

Trac is an enhanced wiki and issue tracking system for software development projects

Email-based customer support application, help desk and shared mailbox