Hard Disk Encryption

• Aiko Solutions  - Specializes in data encryption and data wiping solutions for PDAs, smartphones, and Windows CE.
• CrossCrypt  - Open Source AES and TwoFish Linux compatible encryption solution for Windows XP and 2000, designed with no backdoors and to support large files.
• CryptDisk.4h  - Free virtual disk based encryption software for Windows providing automatic encryption and decryption upon authorized use.
• FreeOTFE  - Free, open source disk encryption software for PCs and PDAs. Site provides information on the features, screenshots, and a user manual.
• PGPdisk  - Enables the creation of encrypted disk partitions in Mac and Windows computers.
• SafeBit Disk Encryption  - Creates virtual disk drives where files and folders can be hidden and encrypted as shall be necessary. Offers internal and portable protection.
• WinEncrypt  - Specializes in products that offer full digital data protection, preventing saved information from being usable in cases of computer theft or hacking.