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
Cryptkeeper is an open-source, cross-platform encryption tool ideal for users looking for flexibility and a lightweight application. In contrast, Windows BitLocker offers seamless integration with Windows systems, providing robust full-disk encryption primarily for Windows users.