1)   DeepCoder 1.0
DeepCoder is a program to encrypt, decrypt and/or digitally sign e-mails and files using secret keys (passwords) or public keys. It can be used with any e-mail program or wordprocessor program. No plug-ins are required. Very easy to use!
encrypt, decrypt, encryption, decryption, public key encryption, secret key encryption, AES, Rijndael, RSA, digital signature,

 2)   Iside 2.2
Iside is a message digest computing tool. It can be used for file integrity checking. It also compares files and folders by computing their hash code (MD5,SHA1,CRC32,...).
MD5, md5sum, .md5, MD2, MD4, SHA1, SHA256, CRC32, SHA384, SHA512,

 3)   Hash 1.0
Pinpoint Hash was created to allow users to quickly obtain the hash values for CRC-32, MD5, SHA-1 and SHA-256 hash values for any file and quickly copy the results to the clipboard for easy transport to any other application.
hash, hash utility, hash software, hasher, free hash, sha1, sha-1, sha256, sha-256, md5,

 4)   HIME: Huge Integer Math and Encryption 1.04
Library with encryption functions (public key/secret key) and huge integer math functions. RSA public key, AES (Rijndael) secret key encryption, SHA-256 hash function, PRNG: Blum-Blum-Shub and RSA, Diffie-Hellman. For every programming language.
encryption, dll, library, public key encryption, secret key encryption, AES, Rijndael, RSA, digital signature, SHA-256,