Visual MD5 is a freeware for you to get MD5 checksum of a file. It's a Windows GUI application, which is easy to use and free to distribute!

HashMyFiles is small utility that allows you to calculate the MD5 and SHA1 hashes of one or more files in your system. You can easily copy the MD5/SHA1 hashes list into the clipboard, or save them into text/html/xml file.
HashMyFiles can also be launched from the context menu of Windows Explorer, and display the MD5/SHA1 hashes of the selected file or folder.

CryptoTools is a multi-language suite of encryption components and libraries. CryptoTools provides DES and Triple DES (3DES) encryption, as well as Base64 encoding and MD5 hashing capabilities. CryptoTools supports the following major languages C (win32), C++, ActiveX/COM, .Net and Java. Components for all languages are available in one single package.

A security toolkit letting even less experienced programmers add encryption and authentication services to their apps, features that are becoming indispensable. The library hides low-level details of security from developers. It supports a variety of algorithms for symmetric/asymmetric encryption, authentication, and hashing. The library is free for non-commercial/shareware projects. It is written in C. ActiveX and C++ wrappers are available.

MD5 Password is a password recovery tool that can recover a password if you know its MD5 hash. MD5 Password features highly configurable and fast recovery engine that can process up to 32,000 hashes simultaneously. Brute-Force Attack, Dictionary Attack, Hybrid Dictionary Attack and Smart Force Attack are supported. The support for the distributed recovery technology allows you to utilize the power of multiple computers.

Easy and advanced encryption, decryption and hash ActiveX component for ASP or AS
Support encryption and decryption of file, string, memory buffer
Support calculation of hash on string, file or memory buffer
Support digital signature creation and validation
Support state of art crypto algorithm like RC2, RC4, MD2, MD4, MD5, SHA, SHA256, SHA384, SHA512, DES, 3DES, 3DES2, AES128, AES192, AES256
Import and export key in plain or raw bits

Affordable, powerful, and easy to use .NET Encryption/Hashing/Compression Library. Encrypt sensitive information such as passwords, credit cards and social security numbers. Supports Rijndael (AES), DES, TripleDES, RC2, Blowfish, Twofish, Whirlpool, MD2, MD4, MD5, SHA1, SHA2, HAVAL, GOST, Ripend320, FCS16, FCS32, CRC32, Adler32, X509, UUencode, Base64, GZip, and Deflate.

This text based encryption tool allows easy message hiding, to be used in e-mail, messenger and other communications. NCrypt TX also has hashing capabilities. It supports DES, Rijndael-AES, SHA, and MD5 algorithms, as well as historical algorithms such as ROT13 and Vigenere. Convert your text messages into a sequence of encrypted hexadecimal or Base64 characters.

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, Internet Explorer and more. Also Includes SHA1 160 bit and MD5 File Encryption plus Ultra Desktop Lock.

A simple, easy to use disk encryption tool that encrypts and password protects your removable and external disk. It allows you choose a secure password and a gold lock or a silver lock to encrypt the logical drive on your various disks. And it uses 128-bit AES algorithm for maximum security and does not store the password on any media. Its powerful encryption ensures that only you can open an encrypted logical drive.

Xceed Encryption Library lets Windows apps encrypt/decrypt data using latest industry standard strong encryption algorithms. Supports traditional secret-key encryption & public-key encryption, and can encrypt/decrypt memory buffers, strings, blobs, streaming data or files. Supports AES (US Advanced Encryption Standard) symmetric encryption algorithm (Rijndael) and Twofish, the runner-up for AES. Also offers RSA algorithm with unlimited key sizes.

axsStrongBox is a COM component which provides secure data encryption (public and private key) using industry standard, strong algorithms such as Rijndael, RSA and others. It also provides digital signatures, hashing, GZIP and Base64 capability. It can be easily integrated with Visual Basic, VC++, Delphi and VBScript. A flexible password system allows you to use PIN's, passwords, passphrases or binary keys.

Use Cryptocx to encrypt your data, totally securing it. EasyByte Cryptocx v5 builds upon the previous releases of Cryptocx to add further powerful features in a very easy to use bundle. The versatility of Cryptocx, combined with the fastest file encryption available anywhere
Full OpenPGP support and the ability to create Self Decrypting Archives SDA, makes Cryptocx an essential component for full data security

MD5 Checksum Verifier is files integrity checker based on the time proven MD5 algorithms. With it you can easily create checksums of files and verify their integrity in the future. The operation is very easy, just two steps, make check file and verify check file.