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 #### Reverse Engineering Tools
 * [IDA Pro](https://www.hex-rays.com/products/ida/) - A Windows, Linux or Mac OS X hosted multi-processor disassembler and debugger
+* [IDA Free](https://www.hex-rays.com/products/ida/support/download_freeware.shtml) - The freeware version of IDA v5.0
 * [WDK/WinDbg](http://msdn.microsoft.com/en-us/windows/hardware/hh852365.aspx) - Windows Driver Kit and WinDbg
 * [OllyDbg](http://www.ollydbg.de/) - An x86 debugger that emphasizes binary code analysis