Windows BitLocker is described as 'BitLocker Drive Encryption is a data protection feature that integrates with the operating system and addresses the threats of data theft or exposure from lost, stolen, or inappropriately decommissioned computers' and is a Disk Encryption tool in the security & privacy category. There are more than 50 alternatives to Windows BitLocker for a variety of platforms, including Windows, Linux, Mac, Android and Android Tablet apps. The best Windows BitLocker alternative is VeraCrypt, which is both free and Open Source. Other great apps like Windows BitLocker are TrueCrypt, LUKS, DiskCryptor and Axcrypt.