gocryptfs—An Encrypted File System Written in Go

libsodium—Out-of-the-box C Language Encryption Library

Abracadabra—Ancient-Style Text Encryption Tool

pyarmor—Powerful Python Script Encryption Tool

mbedtls—Flexible and Easy-to-Use TLS Library

cryptomator—A Tool to 'Lock' Your Cloud Files

text_blind_watermark—A Python Library for Text Steganography

VeraCrypt—An Open-Source Disk Encryption Software

tinyssh—极简的 SSH 服务器

magic-wormhole—Simple and Secure Peer-to-Peer File Transfer Tool

sjcl—斯坦福大学开源的 JavaScript 加密库