The admin list

Developer tools

code-server Run VS Code on any machine anywhere and access it in the browser.

Project management

Openproject Efficient classic, agile or hybrid project management in a secure environment.

Groupware

SOGo server with a focus on scalability and open standards.

open-xchange Webmail, calendar, drive, tasks. Install on debian 12

Email server

Zimbra

Server management

ISPconfig Manage Your Servers Directly Through Your Browser

Monitoring

Zabbix The all-in-one, open-source solution that lets you monitor anything