PeerCast is a simple, free way to listen to radio and watch video on the Internet. It uses P2P technology to let anyone become a broadcaster without the costs of traditional streaming.
WebCalendar is a PHP-based calendar application that can be configured as a single-user calendar, a multi-user calendar for groups of users, or as an event calendar viewable by visitors.
Miredo is a Unix daemon program which implements the "Teredo: Tunneling IPv6 over UDP through NATs" Internet draft specification. It can serve either as a Teredo client, a stand-alone Teredo relay, or a Teredo server.