QuickSFV - QuickSFV integrates into the Windows Explorer shell and makes it very easy to verify files.
HashCheck Shell Extension - File-integrity verification with CRC-32, MD5, SHA-1, SHA-2 and SHA-3, integrated into Windows...
hashdeep - Cross-platform tools to computer hashes, or message digests, for any number of files while...
Jacksum - Jacksum is a free, open source, cross-platform, feature-rich, multi-threaded command line tool for calculating hash values, verifying data integrity, finding files by their fingerprints, and finding algorithms to hash values. 489 hash functions!
AIDE - AIDE (Advanced Intrusion Detection Environment) is a file and directory integrity checker.
Md5Checker - Md5Checker is a free, faster, lightweight and easy-to-use tool to manage, calculate and verify MD5 checksum of multiple files/folders.