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Peek-a-Boo ST is a utility to monitor and manage processes, has been described by one long-time user as "the utility I didn't realize I needed, until I'd used it."

Peek-a-Boo focuses on two things: clarity and flexibility. From the moment you first launch Peek-a-Boo, it will be clear what is happening with processes on your Mac.

Use Peek-a-Boo to twirl into process-comprehension nirvana.

Peek-a-Boo is the only utility of its kind to show process information for all types of processes: Classic applications, Darwin processes, and OS X native applications.

What's New

Version 2.9.3:
  • Stability fixes
  • Improved Process List sorting


  • OS X 10.6 or later

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Current Version (2.x)


Downloads 25,192
Version Downloads 562
Type Utilities / System
License Shareware
Date 14 Jul 2014
Platform Intel 64 / OS X
Price $19.95
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