Focalboard: Open source alternative to Trello, Asana, and Notion
BookStack
Phacility - Phabricator
GitHub - greggigon/my-personal-kanban: This is a one page HTML/JavaScript application for people who would like to use simple and basic Kanban board for their personal stuff
TaskBoard
Kanban Project Management Software - Kanboard
Cucumber
Collabtive Open Source Project Management Software and Groupware - Collabtive Open Source Project Management, Project Mangement Tool and Resource for Collabtive Use
Anuko Time Tracker - connexion
qdPM - Project Management, Time Tracking, Support Tickets, Open Source