Alternatives to The Dude

ManageEngine OpManager

OpManager suits teams monitoring network devices and servers in a self-hosted deployment.

PingPlotter

PingPlotter suits home users troubleshooting a network, small offices monitoring their network, and remote teams using Cloud.

AppNeta is intended for network engineers, cloud operations teams, and IT leaders managing distributed environments.

Catchpoint Internet Performance Monitoring

The platform is intended for digital enterprises monitoring customer experience, workforce efficiency, networks, websites, applications, or APIs.

Paessler PRTG Network Monitor

Paessler describes PRTG as suited to small and medium IT infrastructures, with features for OT and IoT environments.

Cacti suits administrators who can run self-hosted monitoring on Linux/Unix or Windows.

Network teams monitoring distributed infrastructure, traffic, and alarms across reachable and remote locations.

LibreNMS

LibreNMS suits teams or administrators seeking self-hosted network monitoring with device discovery, alerting, and scaling options.

Observium

Community suits home use, evaluation, labs, and small non-critical deployments.

WhatsUp Gold suits IT teams monitoring mixed on-premises and cloud infrastructure, including virtualized environments.

perfSONAR

perfSONAR suits science facilities, campuses, laboratories, network providers, exchange points, virtual organizations, researchers, and software or service developers.

Zabbix

Zabbix suits organizations monitoring infrastructure, applications, networks or services across varied data sources.