LLMd5Sum
LittleLite LLMd5Sum is a simple md5sum generator with SHA1 and MD5 support.
http://www.littlelite.net/freeware/LLMd5Sum10setup.exe - 3Mb - Download - Screenshot

HashTab
A windows shell extension which installs a new tab with file hash information. Includes MD5, SHA1 and CRC032. Also allows for easy hash comparison. Great for verifying downloads without requiring any external tools.
http://www.beeblebrox.org/hashtab/hashtab_setup.exe - 0b - Download - Screenshot

Readfile
Readfile utility calculate CRC32, Adler32, MD5 and SHA1 of fille. It allows you to test the speed of memory copy and disk transfer operations under Windows 95 and Windows NT. This is a Win32 console application. C Source included.
http://www.winimage.com/readfi16.zip - 484Kb - Download

Arpoon Checksum
Arpoon Checksum compute checksums of files. A checksum (message digest, hash value) is a kind of fingerprint that permit to identify a file or document uniquely. This can be used to authenticate files or to follow changes on your documents.
http://www.arpoon.de/downloads/checksum_1_5_0.zip - 343Kb - Download - Screenshot

Window Security Toolkit
Get over 51 Advanced Security Settings for Windows with this power tool ! Window Security Toolkit helps you make windows totally secured by Providing access restrictions on the control panel, display settings, network, passwords, users, dos, games, internet, memory, printers, desktop, system,... Also Includes SHA1 160 bit and MD5 File Encryption plus Ultra Desktop Lock. ... An excellent program if you don't want others to be messing up with your system.
http://www.dmisoftware.com/wscrett.exe - 2Mb - Download - Screenshot

Paraben's Registry Analyzer
Windows registry files can have thousands upon thousands of entries. Viewing, analyzing, and reporting on these files can be a daunting task. Registry Analyzer is a comprehensive computer forensic analysis tool for analyzing Windows registry entries. ... Hash value verification: MD5, MD4, & SHA1. ... Bookmarking. ... Advanced searching options. ... HT ML reporting & more. ... Load multiple registries. ... FEATURES: Compatible with Paraben's P2 Examination Technology.
http://www.paraben-forensics.com/programs/pra.exe - 7Mb - Download - Screenshot

FileArmor
FileArmor is an easy to use, fast and high-secure encryption program for your files and folders. It uses an optimized AES implementation that conforms to FIPS-197, and a SHA1 implementation that conforms to FIPS-180-1. The key-size can be 128, 192 or 256 bits. ... FileArmor also includes a build-in tool for secure wiping of files, which uses a 2-pass deletion - 1st writes binary value '0' over the file(s) and/or folder(s), 2nd writes random data over the zeroes. ... The optimized AES version allows very fast speed of encryption/decryption.
http://www.bgdn.net/downloads/download.php?item=FileArmor110.exe - 281Kb - Download - Screenshot

Iside
Iside compares files and folders by computing their hash code (MD5,SHA1,CRC32,... ). Right click on a file, select Copy and by right clicking on another file you will discover if the two files are equal. Includes file comparison, hash generating tool plus a complete folder comparison tool. ... Ideal tool for configuration managers, programmers, deployers. ... Useful also to compare photos, music and movies downloaded from Internet. ... It can also be used for file integrity checking. ... It allows to determine if two files are different even if their size is the same.
http://www.littlelite.net/iside/sw/IsideTrial13.zip - 628Kb - Download - Screenshot

EDCrypt
Softuarium EDCrypt is an ActiveX control performing following functions: - encrypts and decrypts text and files using symmetrical ciphers: BLOWFISH, CAST128, GOST, RC2, RIJNDAEL, TWOFISH - computes hashes (message digests) of text and files using hashing algorithms: ADLER32, CRC32, CRC32B, GOST,... The control can be distributed royalty-free in an unlimited number of commercial applications. ... EDCrypt is a stand-alone component. ... It does not require any other files to work.
http://www.softuarium.com/files/edcrypt.zip - 391Kb - Download - Screenshot

HashCalc
Free calculator to compute multiple hashes, checksums and HMACs for files, text and hex strings. It allows to calculate hash (message digest), checksum and HMAC values based on the most popular algorithms: MD2, MD4, MD5, SHA1, SHA2 (SHA256, SHA384, SHA512), RIPEMD160, PANAMA, TIGER, CRC32,... iso, . ... vcd, . ... avi, . ... zip, . ... gif, . ... doc and other downloads. ... jpg, . ... mpg, . ... mpeg, . ... It is a very fast, easy to use and to install application. ... It supports 3 input data formats: file, text string and hexadecimal string.
http://www.slavasoft.com/zip/hashcalc.zip - 440Kb - Download - Screenshot