Petoron Quantum Standard (PQS)
Free and open-source PDF signing and verification application.
Robust and flexible VPN network tunnelling
scans a given textual string in 146 pen on paper possible combinations
Powerful webdav client and sync tools with client-side AES encryption
UTF-8 Multi-pass Tableau de Vigenère Encryption Rotation Engine
Encrypt and manage secret text data
Provides encryption & password hashing for your app or Hibernate POJOs
Gestor Certificats Digitals
Open-source code that enables you to use AES in CBC mode
Smoke: Android Crypto Chat Messenger
antigift is simple cross-platform, files & folders encryption tool
file/stream encryption/decryption/CRC based on PI compute algorithm
Twinkle is an open-source text editor.
RFC3161 compatible Time Stamping Authority
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Web application to register FIDO keys from TLS ClientAuth sessions
STROBE cryptographic protocol framework
yubikey-agent is a seamless ssh-agent for YubiKeys
OpenSC - tools and libraries for smart cards
SHA-256 Algorithm Implementation in C
BitCrypt is a free ultra-strong encryption that hides text in bitmaps.