Jira

Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database. It integrates with a number of different SCM:s including Subversion...

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 is to help developers write …

MantisBT is a free popular web-based bugtracking system. It is written in the PHP scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a webserver. MantisBT has …

The Bug Genie is a free/open source, web-based issue tracking system - built on free and open source technology. Written in PHP, and runs on all major server platforms.

Flyspray is an uncomplicated, web-based bug tracking system written in PHP for assisting with software development.

Project'Or RIA is an open source Project Management Software, trying to gather in a single tool every functionality needed to organize your projects. The objective is to keep it simple, …

Kunagi offers integrated project management, supplementing Scrum by a selection of other best practices to cover all project management needs. It does not only offer management of basic Scrum documents, …

Support Incident Tracker (or SiT!) is a Free Software/Open Source (GPL) web based application which uses PHP and MySQL for tracking technical support calls/emails (also commonly known as a 'Help …

OpenProject is free and open source software for project management. It supports project timelines, issue tracking, wiki, document management, time and cost reporting, code management, Scrum and much more. ...

Vermis is a web application for reporting and tracking issues regarding bugs, tasks, etc. during project development.