RTF2HTML is a name for a cross-platform C++ library (DLL, OCX) and command-line utility, which is intended to convert documents from Rich Text Format (e.g. Word, OO Writer) to HTML. Its features are tiny size, speed, low mem usage and compact output.
libgmailer for PHP consists of 2 parts:
{GMailer (libgmailer)} a PHP class/library for you to access GMail with PHP with ease.
{gmail-lite} a plain HTML only interface of GMail, accessible by any browser on Earth.