Security Extensions to File Managers
Powerful webdav client and sync tools with client-side AES encryption
antigift is simple cross-platform, files & folders encryption tool
C++ cryptographic library (modern hash functions, ciphers, KDFs)
FIDO-enabled, cloud file encryption with centralized key management.
jCryptor is a Java-based cryptographic tool used for any file type
High Security Encrypting File System
Cross-platform encrypted password and file database
AES-128 bit file encryptor
ISC lets you encrypt & decrypt text and files of any type up to 4GB
AES Encryption Program
A program to generate random reciprocal bigram tables
Fileprivacy easily encrypts your files
jEncrypt is a command line file encryption archiver