Powerful webdav client and sync tools with client-side AES encryption
FIDO-enabled, cloud file encryption with centralized key management.
High Security Encrypting File System
ISC lets you encrypt & decrypt text and files of any type up to 4GB
xxteac - XXTEA Encrypter/Decrypter
A console-mode program that will keep all your passwords safe
AES-128, Linux, OpenBSD, Assembly-Language