RapidCRC Unicode - RapidCRC is an open source CRC/MD5/SHA hashing program.
checksum - checksum is a no-nonsense BLAKE2/SHA1/MD5 hashing tool for Windows.
Md5Checker - Md5Checker is a free, faster, lightweight and easy-to-use tool to manage, calculate and verify MD5 checksum of multiple files/folders.
QuickSFV - QuickSFV integrates into the Windows Explorer shell and makes it very easy to verify files.
HashMyFiles - HashMyFiles is small utility that allows you to calculate the MD5 and SHA1 hashes of one or more files in your system.
OpenHashTab - OpenHashTab is a shell extension for conveniently calculating and checking file hashes from file properties.