1)   HashCalc 2.01
Fast calculator to compute hash, checksum, HMAC values for file, text and hex string. Supports MD2,MD4,MD5, SHA1,SHA2, RIPEMD160,PANAMA,TIGER, CRC32,ADLER32 algorithms and the hash used in eMule/eDonkey(eDonkey2000,ed2k). Good to check/compare files.
hash, message, digest, checksum, crc, hmac, algorithm, file, data, sum,

 2)   FastCRC Library 1.50
Fast, highly optimized implementation of popular checksum algorithms: CRC32, CRC16, CRC16C (CRC-CCITT). The library allows to calculate checksums for files, memory blocks, strings, streaming data.
checksum, crc, algorithm, file, string, data, block, memory, key, password,

 3)   QuickHash Library 3.0
Fast, highly optimized implementation of hash, checksum, HMAC algorithms: MD2,MD4,MD5,SHA-1,SHA-2(256,384,512),RIPEMD(128,160,256,320),PANAMA,TIGER,CRC-32,CRC-16,CRC-CCITT,ADLER32. Allows calculations for files, memory blocks, strings,streaming data.
hash, message, digest, checksum, crc, hmac, algorithm, file, string, data,

 4)   Fsum Frontend 1.5.5.1
This is a Windows frontend for the fsum command line utility by Slavasoft.
fsum, frontend, free, checksum, message digest, hash, sfv, verification, calculate, checker,

 5)   FSUM 2.51
Fast file checksum generation & verification tool. Supports MD2,MD4,MD5, SHA-1,SHA-2, RIPEMD-160,PANAMA,TIGER, CRC-32,ADLER32 algorithms and the hash used in eMule/eDonkey(ed2k). Compatible with md5sum,Easy MD5 Creator,SFV Checker/Verifier,Win CRC32.
hash, message, digest, checksum, crc, file, data, sum, 128, bit,

 6)   TimePuter 3.1
TimePuter is a time/date calculator with many related features. Calculate time periods based on the start and final dates along with the sum/difference calculation of the start time/date and input data. Export results Html, xml or txt files.
time, span, period, calculate, calculator, evaluate, evaluator, sum, difference, leap,