FreeOTFE is an open source computer program for on-the-fly disk encryption (OTFE). Developed by Sarah Dean
License: Open Source
TrueCrypt is a powerful but outdated disk encryption tool that offers a wide range of features including hidden volumes and cross-platform support, while FreeOTFE is a portable alternative that focuses on simplicity and ease of use. However, TrueCrypt's lack of updates raises security concerns, making FreeOTFE a more viable option for users seeking a modern solution.