WP Project Manager is a WordPress-based project management plugin that offers tasks, to‑do lists, milestones, Kanban boards, time tracking, Gantt charts, and integrations. It's suitable for teams working within WordPress wanting self-hosted task management closely integrated with their site CMS.
Codendi is a collaborative solution for application lifecycle management. It gathers from a web-based interface, the tools used by software teams: issue trackers, SVN, GIt, hudson, docman, workflow...At the origin it is a fork from SourceForge.net.