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...

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

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

Helpdesk software which helps you streamline your company's support, offers an easy setup, clean...