Self-hosted, lightweight server and website monitoring and O&M tool
Concise networking code leveraging async-await, Decodable & Generics
Open source APM: OpenTelemetry traces, metrics, and logs
Sentry SDKs for JavaScript
Elastic APM .NET Agent
Datadog Go Library including APM tracing, profiling, and security
Nagios Open Source network monitoring software - The Standard In ITM
Lightweight network IP scanner
The Active Monitoring System
Cross-platform application monitoring and error tracking software
Monitor temperature sensors, fan speed, voltage, load & clock speeds
BGP and RPKI monitoring tool
Apache HertzBeat(incubating) is a real-time monitoring system
Scouter is open source APM (Application Performance Management) tool
Vendor-neutral programmable observability pipelines
Manages, configures, and monitors Microsoft 365 tenant configurations
Open source monitoring system and time series database
Ncurses-based monitoring application for wireless network devices
A fancy self-hosted monitoring tool
Monitor and troubleshoot transactions in complex distributed systems
A simple program to monitor your network/data usage
sp_whoisactive
An interactive NVIDIA-GPU process viewer and beyond
The open source, full-stack monitoring platform
Open-source systems performance monitor