Self-hosted, lightweight server and website monitoring and O&M tool
The Network UPS Tools repository
A utility to safely generate malicious network traffic patterns
The Active Monitoring System
Lightweight network IP scanner
Monitor temperature sensors, fan speed, voltage, load & clock speeds
Community-based GPL-licensed network monitoring system
BGP and RPKI monitoring tool
Open-source systems performance monitor
Open source monitoring system and time series database
An eye on your system
Apache HertzBeat(incubating) is a real-time monitoring system
A full packet capturing, indexing, and database system
Application to comfortably monitor your Internet traffic
The core of our monitoring platform
A distributed and high-performance monitoring system
A fancy self-hosted monitoring tool
pg_activity is a top like application for PostgreSQL server activity
A Swiss army knife for your daily Linux network plumbing
Zeek is a powerful network analysis framework
SQL operating system instrumentation and monitoring framework
An open source, real-time monitoring system with custom-monitoring
Application Performance Monitoring System
Docker hosts and containers monitoring with Prometheus, Grafana, etc.
Monitor and troubleshoot transactions in complex distributed systems