The Dude is not available for Mac but there are some alternatives that runs on macOS with similar functionality. The best Mac alternative is Datadog. It's not free, so if you're looking for a free alternative, you could try Zenoss Core or OpenNMS. If that doesn't suit you, our users have ranked more than 25 alternatives to The Dude and seven of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to The Dude are CloudRadar Monitoring (Paid), CloudView NMS (Freemium), NetXMS (Free, Open Source) and Intermapper (Freemium).
Datadog is a monitoring service for IT, Dev & Ops teams who write and run applications at scale, and want to turn the massive amounts of data produced by their apps, tools and services into a unified view of IT infrastructure. 120+ Integrations!.
Monitor servers, network devices and websites via one modern SaaS solution. Instant push alerts, pre-configured for a fast & easy setup, highly affordable pricing, MSP functionality. Monitors cpu, disks, memory, processes and availability.
OpenNMS is an enterprise grade network monitoring and network management platform developed under the free software or open source model. It consists of a community-supported, free-software project as well as an organization offering commercial services, training and support.