Complete and free implementation of the OpenPGP standard
A simple, modern and secure encryption tool (and Go library)
GnuPG for Windows
CLI wrapper around aws-encryption-sdk-python
Easy-to-use and powerful homomorphic encryption library
A high-level OpenPGP library
Keybase Go library, client, service, OS X, iOS, Android, Electron
Bug-fix-only libev port of shadowsocks
AWS Encryption SDK for C
transparently encrypt files within a git repository
Secure software enclave for storage of sensitive information in memory
Open source disk encryption with strong security for the Paranoid
Compress, Encrypt, Package and Backup with only one utility
Simple encryption tool
Secure communication software
Sign PDF with Digital Signature Certificate
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)
FinalCrypt - Unbreakable One-Time Pad Encryption
Stanford Javascript Crypto Library
FIDO strong authentication, encryption, digital signature engine
Squeezer framework, build serverless dApps