atPurpose has released a beta of atMonitor
(, their first product for Mac OS
X. It’s a system monitoring software that tracks a variety of
resources: CPU, RAM, GPU, VRAM, FPS and Disk I/O throughput.

It’s customizable and gives the user a set of tools to manage the
system. Features include GPU and FPS monitoring and a “top” window
displaying details of each process including the man pages.