GnuPG for Windows
Complete and free implementation of the OpenPGP standard
the Crypto Undertaker
Single Linux or Windows binary for secure text encryption
Secure communication software
File encryption and decryption utility
No nonsense file encryption, Linux and Windows
VanitySearch is a Bitcoin address prefix lookup tool.
Solving the Satoshi Puzzle
A simple XOR file encoder.
Symmetric File and Text Encryption
Sign PDF with Digital Signature Certificate
A simple file/folder encryption application based on the 7zip-full.
An advanced file manager with qss themes and iso and folder previews
Morse Code Utilitiies to convert text messages to & from sound files.
file/stream encryption/decryption/CRC based on PI compute algorithm
Optimized implementation of RC4 (Rivest Cipher 4, ARCFOUR) in ASMx64.
A simple tool for split, zip, and encrypt files
A command line interface for encryption and decryption using the NTRU
Little program for encryption-decryption.
AES Cipher, Base64 encoder, SHA calculator
A flat-file database program written in bash shell and awk scripts.
more convenient one-time-pad encryption.
An encryption tool for creating file archives
Leet is CCEx's software application for on-the-fly encryption (OTFE).