Simple and flexible tool for managing secrets
Extremely fast non-cryptographic hash algorithm
Keybase Go library, client, service, OS X, iOS, Android, Electron
A high-level OpenPGP library
the Crypto Undertaker
End-to-end encrypted cloud for photos, videos and 2FA secrets
Open-source code that enables you to use AES in CBC mode
Easy and fast file sharing from the command-line
Petoron Quantum Standard (PQS)
Open-source PureBasic implementation of the Shamir Secret Sharing
A password vault with client-side encryption and nice-looking UI
An advanced file manager with qss themes and iso and folder previews
The source code of the In-Browser-File-Encrypter web app
Open-source code that enables you to use Serpent in CBC mode
Morse Code Utilitiies to convert text messages to & from sound files.
Anubis Involutional 128-bit SPN Block cipher Encryption Tool
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Command-line GM/T 0002-2012 SM4-GCM Encryption Tool
Command-line Ascon v1.2 Encryption Tool written in Go
STROBE cryptographic protocol framework
TTAK.KO-12.0223 Lightweight Encryption Algorithm Tool
GOST R 34.10-2015 Kuznechik Block Cipher Encryption Tool
Cross-platform GMSM Security Suite written in Go
Korea Internet & Security Agency's Cipher Suite written in Go
A library for easy use of symmetric encryption and decryption in java