A modern, portable, easy to use crypto library
AWS Encryption SDK for C
Robust and flexible VPN network tunnelling
Powerful webdav client and sync tools with client-side AES encryption
Open source disk encryption with strong security for the Paranoid
cross-platform, encryption application
57 Hash Functions In One Program, plus each with HMAC or KMAC
Midbar is more than just an open source password vault!
OpenSC - tools and libraries for smart cards
Linux encrypted filesystem management tool
GILIB Large Integer Arithmetic Library
Open Source PKI solutions
Multithreaded program to crack PKCS#12 files (p12 and pfx extensions)
Use an rtl2832 USB dongle to generate random data for the linux kernel