TrueCrypt
Open Source
TrueCrypt is an open source software to encrypt volumes of data. It even supports the creation of virtual encrypted volumes which is portable.
DiskCryptor
Open Source
DiskCryptor is a free and open-source full disk encryption system.
Windows BitLocker
Commercial
BitLocker is a full disk encryption feature included with Windows Vista and later. It is designed to protect data by providing encryption for entire volumes. …
Steganos Privacy Suite
Commercial
Steganos Privacy Suite includes file encryption, password management, and more.
CipherShed
Open Source
CipherShed is a planned source-available disk encryption program for on-the-fly encryption.
Compare FreeOTFE with alternatives
Compare Steganos Privacy Suite and FreeOTFE and decide which is most suitable for you.
Compare DiskCryptor and FreeOTFE and decide which is most suitable for you.
Compare CipherShed and FreeOTFE and decide which is most suitable for you.
Compare Windows BitLocker and FreeOTFE and decide which is most suitable for you.