Keyper by Jarrid is a suite of crypto key management APIs
GnuPG for Windows
Cross-platform GMSM Security Suite written in Go
Korea Internet & Security Agency's Cipher Suite written in Go
Nash Operating System for Modern Ecommerce
A TEA encryption with GUI for 32-bit 64-bit works only on windows.
Compiled into a single .jar file. Tiny Password Manager. Portable
A small utility to encrypt files
A tiny, fast encryption tool in C
SES brings back the uncrackable onetime pad, with a digital twist.
Encrypts text files
ISC lets you encrypt & decrypt text and files of any type up to 4GB
Set of useful tools for payment service development