For Project management eg Microsoft Projects etc. as open source (free) alternative solutions instead of applications,

1. ITSM solution GLPI, the only thing missing from MS Project’s is not in the form of a desktop app, there is no MS teams connection, you can do other operations , demo

2. ProjectLibre , demo

3. Asana, demo

4. Trello, demo

5. GanttProject, demo

6. OpenProject, demo

7. Redmine, demo

8. Kanboard, demo

9. Leantime, demo