Malcat is a feature-rich hexadecimal editor / disassembler for Windows and Linux targeted to IT-security professionals. Inspect more than 40 binary file formats, dissassemble and decompile different CPU architectures, extract embedded files and scan for Yara signatures or anomalies in a fast and easy-to-use graphical interface. Don't like what you get? Malcat is also heavily customizable and scriptable using python.