TechTool Protogo 4.0.5 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. TechTool Protogo for Mac lies within System Tools, more precisely System Optimization. The actual developer of this Mac application is Micromat, Inc. We recommend checking the downloaded files with any free antivirus.
From the developer:
TechTool Protogo easily lets you turn your USB or Firewire device into a bootable, diagnostics toolkit for Mac.
You can take it with you. Using Protogo, you can easily turn a USB or FireWire device, such as an iPod, flash drive, compact hard drive, or SD Card, into a powerful toolkit to troubleshoot all of the Macs in your life.
You may want to check out more Mac applications, such as TM Error Logger, FontNuke or HDCleanUp, which might be similar to TechTool Protogo.
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