A modern, portable, easy to use crypto library
Next Generation of ShadowsocksX
Qtum Core Wallet
A dead simple tool to sign files and verify digital signatures
High-level cryptography interface powered by libsodium
AWS Encryption SDK for C
An implementation of the IETF QUIC protocol
Modular, high-performance, zero-dependency cryptography stack
Open source disk encryption with strong security for the Paranoid
For full, incremental, compressed and encrypted backups or archives
FIDO® Certified StrongKey FIDO Server (SKFS)
Free portable cross-platform graphical multi-user password manager
Midbar is more than just an open source password vault!
A cross-platform crypto-steganography toolkit
https://avgvsto.sourceforge.io
cryptographic contract format
Provides encryption & password hashing for your app or Hibernate POJOs
Free and open-source PDF signing and verification application.
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Halimede Certificate Authority