Kanboard
RedmineKanboard and Redmine both serve self-hosted project tracking, but Kanboard centers on a simple kanban board while Redmine is a broader project and issue management application with wikis, Gantt charts, and deeper administrative features.
Redmine
OpenProjectRedmine and OpenProject are both open-source project management tools built on Ruby. Redmine is the original project (launched 2006) while OpenProject forked from Redmine in 2011 to pursue a different development philosophy.