Kanboard

Kanboard is a free and open source Kanban project management software.

Overview - Redmine

Redmine is a flexible project management web application. Written using the Ruby on Rails framework, it is cross-platform and cross-database.

GitHub - Leantime/leantime

Leantime is a strategic project management system for non-project managers.

WeKan ® — Open-Source kanban

GitHub - ad-si/TaskLite: The CLI task manager for power users

The CLI task manager for power users. Contribute to ad-si/TaskLite development by creating an account on GitHub.

Taskwarrior - What's next?

Taskwarrior is Free and Open Source Software that manages your TODO list from the command line. It is flexible, fast, and unobtrusive. It does its job then gets out of your way.