TL:DR; CryptBox creates secure Safes, that can be used just like normal drives and which can be filled with your data.
CryptBox creates secure Safes, that can be used just like normal drives and which can be filled with your data. All content of those safes are encrypted. Safes can only be opened if you know the password.
Digi-Shield is an encryption tool for removable digital media. This application secures data using Rijndael, Twofish and Blowfish encryption algorithms. Once encrypted, the data will not be visible to unauthorized users.
Free encryption tool with simple and powerful interface to protect your data. Its open source software based on GPG public-key cryptography to encrypt/decrypt files and sign/verify digital signatures. Its free to download and easy to use.
A free, open source, "on-the-fly" transparent disk encryption program. With this software, you can create one or more "virtual memory cards" on your PDA - anything written to which will be automatically, and securely, encrypted before being stored