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. By default, it uses the AES encryption algorithm in cipher block chaining (CBC) or XTS mode with a 128-bit or 256-bit key. Developed by Microsoft
License: Commercial
Windows BitLocker is a proprietary encryption tool integrated into Windows, offering full disk encryption primarily for Windows devices, while FreeOTFE is an open-source alternative that supports file and container encryption across multiple platforms. BitLocker is best for enterprise use with its centralized management, whereas FreeOTFE is suitable for users seeking a flexible and free solution.