GnuPG for Windows
Simple and flexible tool for managing secrets
Complete and free implementation of the OpenPGP standard
Extremely fast non-cryptographic hash algorithm
transparently encrypt files within a git repository
the Crypto Undertaker
A high-level OpenPGP library
Solving the Satoshi Puzzle
Single Linux or Windows binary for secure text encryption
An advanced file manager with qss themes and iso and folder previews
VanitySearch is a Bitcoin address prefix lookup tool.
File encryption and decryption utility
Midbar is more than just an open source password vault!
Sign PDF with Digital Signature Certificate
Secure communication software
No nonsense file encryption, Linux and Windows
A simple XOR file encoder.
Symmetric File and Text Encryption
A version of Plum Cave that uses the ChaCha20 and Twofish ciphers
A simple file/folder encryption application based on the 7zip-full.
57 Hash Functions In One Program, plus each with HMAC or KMAC
Security Extensions to File Managers
antigift is simple cross-platform, files & folders encryption tool
Morse Code Utilitiies to convert text messages to & from sound files.