SeaLion : View raw output for critical events across servers. SeaLion gives you a graphical overview of server activity. View performance of system/custom metri...
LibreNMS : A fully featured network monitoring system that provides a wealth of features and device support.
New Relic : New Relic’s SaaS-based Application Performance Monitoring helps you build, deploy, and maintain great web software.
Also, server monitoring, and more.
Sensu : Sensu is an infrastructure and application monitoring and telemetry solution. Sensu provides a framework for monitoring infrastructure, service & appl...
YunoHost : YunoHost is a server operating system aiming to make self-hosting accessible to everyone.