forum/threaded discussion software

[Relayer]

I need some advice. I have been chosen to lead a project and get very frustrated with email (Outlook) as a project management tool. It is chaos and it excludes many team members from contributing. I like the idea of a threaded discussion tool so that everyone can get involved and have access to project discussions. We use Office 365 2016. There seems to be quite a few open source packages out there. I envision something with minimal set up and keeps the data on an internal shared drive. Any suggestions?

Relayer

[joedf]

Discourse?
Zurmo?
I'm not exactly sure what you're looking for.
Also, what the restrictions? php and SQL only?

[Guest]

Mattermost (self hosted slack)
Gitlab (self hosted incl. issues and also can incorporate mattermost)

perhaps
Trello or self hosted kanboard style programs (there are various)

[joedf]

a new thing? otherwise, I agree with trello for simplish things
https://github.com/Matterwiki/Matterwiki