Monitors cron jobs and scheduled tasks: each run pings it, and it alerts you when a ping is late or missing.

Keeping an eye on servers, disks and websites
Monitors cron jobs and scheduled tasks: each run pings it, and it alerts you when a ping is late or missing.

Good-looking resource monitor for the terminal, with graphs for CPU, memory, disks, network and processes, plus mouse support.
Watches web pages and alerts you when they change: prices, restocks, news or any part of a page.

Interactive process viewer for the terminal: see CPU, memory and every process at a glance, then sort, filter or kill them.
Real-time monitoring for servers and apps, with per-second metrics, dashboards and alerts out of the box.

Disk health dashboard that tracks S.M.A.R.T. data and warns you before a drive fails.

Nothing here for the selected platforms.