Open source monitoring system and time series database
An eye on your system
Light-weight system monitor for X
SQL operating system instrumentation and monitoring framework
Community-based GPL-licensed network monitoring system
Powerful dynamic thread pool framework with monitoring/alarm functions
Distributed Tracing, Metrics and Context Propagation for applications
App observability facade for the most popular observability tools
Open Source Monitoring System for performance and availability.
Disk Inspection and Monitoring
An application to control DIY home automation products
A general purpose malloc(3) implementation
Nagios network monitoring software is enterprise server monitoring
Linux performance monitoring on-screen or to CSV file
Install java, groovy and native applications as services or daemons
Manage and interpret IPMI systems with common a software tool
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Linux designed to defeat state censorship and surveillance.
Graphical network monitoring and documentation tool
Xymon monitors your hosts, your network services, and everything else.
Intelligently block brute-force attacks by aggregating system logs