For full, incremental, compressed and encrypted backups or archives
Encrypted volumes through command line
The safest way to store private data in untrusted (cloud) environments
Free, cross platform, portable password manager.
CrococryptQuerl is a web-based file encryption & transfer tool
JCryptor is an encrypting tool based on the Caesar-cipher.
A free "on-the-fly" transparent disk encryption program for PC & PDAs.