openITCOCKPIT is an open source configuration software for Nagios or Naemon.
The most significant changes in this version:
- Collecting data through your own agent
- Frontend and backend interact entirely via API
- Notifications via various chat systems (Slack, RocketChat, Mattermost, ...)
- Automatic conversion of graph units to simpler units
- Numerous web interface improvements
- and more
Source: linux.org.ru