PHP Secure Communications Library is a Pure-PHP implementations of cryptographic protocols and algorithms.PHP Secure Communications Library is a LGPL-licensed pure-PHP implementations of an arbitrary-precision integer arithmetic library, fully PKCS#1 (v2.1) compliant RSA, DES, 3DES, RC4, Rijndael, AES, SSH-1, SSH-2, and SFTP. You can also find this Library at PEAR Channel.

ObsceneClean is a project to create a profanity filter. At this time the goal is to create a proof of concept algorithm, in other words get the code to a point where the fundamental idea behind the algorithm is proved to be workable.