RelaxBSD is a LiveCD in Traditional/Simple Chinese which is based on FreeBSD. It's also very easy to install into your hard disk and you can use it as a desktop OS.
Email Management System is a Java and XML based high scalable and high performance email system that manages sending, receiving, reporting millions of emails a day.
List-o es un sistema de traducción de correos electrónicos dirigidos a listas de correos basado en el uso de Procmail y con una interfaz de administración que permite implementar listas de correo junto con tecnologías de traducción.
E-Mail based Web Browsing. Provide a way to view and use many (but not all for semi-obvious reasons) web pages, with only an e-mail account. Ideal for Blackberry and other limited e-mail only wireless devices.
Lazyinstaller provides installation scripts for well known unix software. currently only qmail Lazydog is available. The script installs qmail with some patches for security and functionality, vpopmail, IMAP, ezml, qmailadmin and vqadmin tools and more
A chkuser plugin for qmail with vpopmail and spp plugin. This plugin will reject incomming mail if the given recieving address is not on the server. Works with smtp-auth, vpopmail, valias, ezmlm, .qmail-alias, aliasdomains and valias on aliasdomain.