TestKit is Free program for Mac OS X developed by Tim Hart
TestKit from ThoughtWorks is a testing framework representing Mac OS X and the Objective-C idiom. Modeled after JUnit, it allows Mac OS X developers working in the Cocoa environs to scribble unit tests against Objective-C objects and features both command-line and graphical examination running tools. What's New: New in 0.9.4 is an updated TestRunner, XCode Integration, and a mock objects API.
ILCrashReporter is Free program for Mac OS X developed by Infinite Loop
The ILCrashReporter framework enables developers to easily integrate drive reporting facilities into existing or unique applications. The ILCrashReporter workshop much like the Crash Reporter built into the operating arrangement. However, representing some explanation Apple