Maybe because there is no universal solution? Different teams work in different ways and I don't believe one tool can solve for all of them effectively without being mediocre at best for all or most use cases. (Jira comes to mind.) You're better off using simple, opinionated software that fits the way your team works.
Project Management is an incredibly crowded space.
Plus all the "knowledge management" apps (Affine, ...) plus all the project hosting platforms (GitLab, Gitea, ...)
And still not universally solved
Maybe generally but details don’t get handled well
https://worklenz.com/pricing/
- Everything in free plan - Resource management - Advanced project reporting - Track team members' progress - Reports exporting
are these available in agpl self-hosted version or not?
- https://plane.so/
- https://www.openproject.org/
- https://worklenz.com/
https://www.projeqtor.org/en/