Self-hosted, lightweight server and website monitoring and O&M tool
The Network UPS Tools repository
A Network Packet Sniffing tool developed in Python 3
Lightweight network IP scanner
The Active Monitoring System
Application to comfortably monitor your Internet traffic
Community-based GPL-licensed network monitoring system
Open-source systems performance monitor
Centralized network visibility and continuous asset discovery
An eye on your system
BGP and RPKI monitoring tool
A full packet capturing, indexing, and database system
The core of our monitoring platform
Apache HertzBeat(incubating) is a real-time monitoring system
A fancy self-hosted monitoring tool
Open source monitoring system and time series database
pg_activity is a top like application for PostgreSQL server activity
Database connection pool written in Java
Free and Open Source network access control (NAC) solution
A Swiss army knife for your daily Linux network plumbing
A simple program to monitor your network/data usage
Zeek is a powerful network analysis framework
A distributed and high-performance monitoring system
Monitorix is a free, open source, lightweight system monitoring tool
Performance Co-Pilot