Office Tools – Self Hosted

1. Email

Self-Hosted-Email, I don’t know.

2. Chat

Mattermost

3. Videoconf

BigBlueButton , or Jitsi

4. Version Control

Gitlab

5. Issue Tracker

Gitlab or Mantis

6. Protocol, Adhoc writting

hedgehoc

7. Blog

hugo

8. Anything Else

NextCloud

9. Wiki

Prefer Readme + Blogposts.