Self-hosted, lightweight server and website monitoring and O&M tool
The Network UPS Tools repository
A suite of Monitoring Plugins (formerly known as nagios-plugins)
A Network Packet Sniffing tool developed in Python 3
Community-based GPL-licensed network monitoring system
The official PHP SDK for Sentry (sentry.io)
Lightweight network IP scanner
The Active Monitoring System
Monitor temperature sensors, fan speed, voltage, load & clock speeds
An ID Generator for PHP based on Snowflake Algorithm
Application Performance Monitoring System
Bandwidth monitor and rate estimator
Application to comfortably monitor your Internet traffic
An eye on your system
Open Source Social Network (OSSN) is a social networking software
Apache HertzBeat(incubating) is a real-time monitoring system
A distributed and high-performance monitoring system
Free open-source macOS menu bar toolkit
A fancy self-hosted monitoring tool
The core of our monitoring platform
Zeek is a powerful network analysis framework
pg_activity is a top like application for PostgreSQL server activity
A full packet capturing, indexing, and database system
Monitor and troubleshoot transactions in complex distributed systems
The open source time series database