[voroojax]

Frida - Reverse Engineering Tool

it's more like a framework to develop new reverse engineering tools. also it has some tool already developed, such as tracer and so on.
it is in C, but also has Python binding for fast development.
support following OS:
[*]Windows
[*]Linux
[*]Mac
[*]iOS

Tutorials
Getting started with Frida
Tutorial Inspecting and Manipulating Function Calls (on Unix)


How to Download it
Binary: http://ospy.org/frida/
source: https://github.com/frida