Nagios
Free open source monitoring for servers, networks and services
12 tools like Wireshark, chosen by what they do. About Wireshark

Free open source monitoring for servers, networks and services

Open source monitoring for networks, servers and applications

Open source infrastructure monitoring with alerts for hybrid setups

Full-stack monitoring for hybrid IT, cloud and on-premises

Open source agent that collects metrics, logs and other data

Real-time infrastructure monitoring with per-second metrics

Open source library for recording and replaying web sessions

Simple website and cron monitoring with pay per check pricing

Open source session replay and product analytics you can self-host

Open source web performance testing with reports and metrics

Digital experience analytics that captures every user interaction
