Keybase Go library, client, service, OS X, iOS, Android, Electron
Aviator hack: seed-inspection of aviator crash predictor & aviator app
Open source disk encryption with strong security for the Paranoid
VanitySearch is a Bitcoin address prefix lookup tool.
Security Extensions to File Managers
Single Linux or Windows binary for secure text encryption
antigift is simple cross-platform, files & folders encryption tool
The Best file security app.
Encrypted volumes through command line
Symmetric File and Text Encryption
Open source file encryption software
DIY Electronic Shelf Label Management System
A powerful tool for cracking the Vigenère cipher
Solving the Satoshi Puzzle
A simple XOR file encoder.
A password vault with client-side encryption and nice-looking UI
Open source file encryption software
Portfolio Secure 22 [Improved.Simplified.Alternative]
binary encryption archiver
An experimental cloud storage service featuring client-side encryption
irreversible encryption with time self-destruction
SafeNotes - A encrypted and easy-to-use journaling application
Open-source PureBasic implementation of the Shamir Secret Sharing
Decode various cryptocurrency addresses
Petoron Quantum Standard (PQS)