Complete and free implementation of the OpenPGP standard
GnuPG for Windows
Easy-to-use and powerful homomorphic encryption library
A simple, modern and secure encryption tool (and Go library)
Bug-fix-only libev port of shadowsocks
Keybase Go library, client, service, OS X, iOS, Android, Electron
Extremely fast non-cryptographic hash algorithm
A high-level OpenPGP library
CLI wrapper around aws-encryption-sdk-python
transparently encrypt files within a git repository
AWS Encryption SDK for C
Secure software enclave for storage of sensitive information in memory
Open source disk encryption with strong security for the Paranoid
Sign PDF with Digital Signature Certificate
Mentor, code c, c++, java, go, php, swift, .. DevSecOps virtual lab, .
A simple file/folder encryption application based on the 7zip-full.
Secure communication software
57 Hash Functions In One Program, plus each with HMAC or KMAC
Open source file encryption software
antigift is simple cross-platform, files & folders encryption tool
STROBE cryptographic protocol framework
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Stanford Javascript Crypto Library
FIDO strong authentication, encryption, digital signature engine