Bug-fix-only libev port of shadowsocks
Mentor, code c, c++, java, go, php, swift, .. DevSecOps virtual lab, .
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Hidding any binary flle < 64k in image
A command-line utility for calculating and verifying file checksums.
Create,extract and encrypt ZIP,GZIP,TAR,BZIP2,TAZ files on Java mobile
Fileprivacy easily encrypts your files
Set of useful tools for payment service development