Etherpad
officeCurrent version: 2.2.6~ynh1
Potential alternative to: G Suite, Google Docs, Microsoft Office, Microsoft Word, Office 365
Etherpad is a real-time collaborative editor scalable to thousands of simultaneous real time users. It provides full data export capabilities, and runs on your server, under your control. This version of Etherpad is installed without plugins and uses Rustydb as database. If you want to install Etherpad with plugins and MySQL database: https://github.com/YunoHost-Apps/etherpad_mypads_ynh
This app requires an unusual amount of RAM to install: 2G