QuickSFV - QuickSFV integrates into the Windows Explorer shell and makes it very easy to verify files.
RapidCRC Unicode - RapidCRC is an open source CRC/MD5/SHA hashing program.
hashdeep - Cross-platform tools to computer hashes, or message digests, for any number of files while...
Md5Checker - Md5Checker is a free, faster, lightweight and easy-to-use tool to manage, calculate and verify MD5 checksum of multiple files/folders.
AIDE - AIDE (Advanced Intrusion Detection Environment) is a file and directory integrity checker.
HashMyFiles - HashMyFiles is small utility that allows you to calculate the MD5 and SHA1 hashes of one or more files in your system.