Themida is described as 'Advanced Windows software protection system, developed for software developers who wish to protect their applications against advanced reverse engineering and software cracking' and is an app. There are more than 10 alternatives to Themida for a variety of platforms, including Windows, Linux, Mac, Web-based and PortableApps.com apps. The best Themida alternative is Appetize.io, which is free. Other great apps like Themida are UPX, VMProtect, FUPX and PELock.
PECompact is an advanced Windows executable compressor for use by software developers and vendors. Executable packers compress executable modules (EXE, DLL, etc..) so that their physical size is considerably smaller.
A library for some loosely related Microsoft compression formats, CAB, CHM, HLP, LIT, KWAJ and SZDD.
