PELock Software

.netshrink is an executable compressor for managed files. It uses LZMA compression library and can decrease your file size by 50%. It can also protect your files with a password.

Obfuscator is a tool to modify x86 assembler source code in this way to make an analysis of compiled code very difficult.

PELock - is an application that allows you to protect Windows executable files (so called exe-protector). Besides that, PELock allows easy creation of application of evaluation-demo type, which use license key system.