The Network UPS Tools repository
Self-hosted, lightweight server and website monitoring and O&M tool
Community-based GPL-licensed network monitoring system
Lightweight network IP scanner
The Active Monitoring System
Open-source systems performance monitor
Application Performance Monitoring System
Application to comfortably monitor your Internet traffic
The core of our monitoring platform
BGP and RPKI monitoring tool
An eye on your system
Centralized network visibility and continuous asset discovery
Monitorix is a free, open source, lightweight system monitoring tool
Monitor and troubleshoot transactions in complex distributed systems
Apache HertzBeat(incubating) is a real-time monitoring system
Open source monitoring system and time series database
A full packet capturing, indexing, and database system
pg_activity is a top like application for PostgreSQL server activity
Zeek is a powerful network analysis framework
Performance Co-Pilot
A fancy self-hosted monitoring tool
A distributed and high-performance monitoring system
High performance ping tool
A network security analysis and monitoring toolkit Linux distribution.
A Swiss army knife for your daily Linux network plumbing