SmartDec : Native code to C/C++ decompiler.

Standalone

• Supports x86 and x86-64 architectures.
• Reads ELF and PE file formats.
• Reconstructs functions, their names and arguments, local and global variables, expressions, integer, pointer and structural types, all types of control-flow structures, including switch.
• Has a nice graphical user interface with one-click navigation between assembler code and reconstructed program.
• The only decompiler that handles 64-bit code.

IDA Pro plug-in

• Enjoys all executable file formats supported by the disassembler.
• Benefits from IDA's signature search, parsers of debug information, and demanglers.
• Push-button decompilation of a chosen function or the whole program.
• Easy jumping between the disassembler and the decompiled code.
• Full GUI integration.

http://derevenets.com/