Iside is a message digest, hash code computing tool. It can be used for file integrity checking. It also compares files and folders by computing their hash code (MD5,SHA1,CRC32,...).
Afordable, powerful, and easy to use .NET Encryption/Hashing/Compression Library. Encrypt sensitive information such as passwords, credit cards and social security numbers.
The ultimate hashing utility! The Hyper Hasher Suite allows you to calculate 26 different hash/checksum and HMAC values for any file on your system, while the HashFile utility adds support for MD5 & SFV file creation and verification.
Mail and MIME parser - C#, VB.Net component (library) that is 100% compatible with RFC822 and MIME standards. Mime4Net supports field encoding/decoding, attachment extraction and is extremely tolerant for improperly formated messages.