OpenProject is an open source project management software for classic, agile, or hybrid approaches, used by companies prioritizing data sovereignty and security.

Taiga is a free and open-source agile project management software for cross-functional teams using Scrum and Kanban methodologies.

ZenTao is an all-in-one, open-source project management software for agile teams, offering Scrum, bug tracking, and DevOps solutions for software development.