The Network UPS Tools repository
Self-hosted, lightweight server and website monitoring and O&M tool
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)
Floating window used to display current network speed, CPU & memory
The Active Monitoring System
Monitor temperature sensors, fan speed, voltage, load & clock speeds
Lightweight network IP scanner
An ID Generator for PHP based on Snowflake Algorithm
Bandwidth monitor and rate estimator
Application Performance Monitoring System
Centralized network visibility and continuous asset discovery
Open-source systems performance monitor
Application to comfortably monitor your Internet traffic
Open Source Social Network (OSSN) is a social networking software
BGP and RPKI monitoring tool
An eye on your system
Monitor temperature sensors, fan speeds, voltages, load & clock speeds
Free open-source macOS menu bar toolkit
Open source monitoring system and time series database
A simple program to monitor your network/data usage
A fancy self-hosted monitoring tool
The core of our monitoring platform