MobileMpd.Net is a small program that can be used to control a MPD (Music Player Daemon) server using a WiFi enabled Windows Mobile device. The software supports the start, stop, next, prev, repeat, and random functions, volume control, playlist addition and removal, and a music directory treeview.
The SIP Switch is a Web application which allows you to use multiple SIP accounts on the same phone. This lets you use the call plans of different VoIP companies (using SIP) with one IP phone device. It does the third party SIP registration so you can receive all your calls on the sipswitch account. On dial out, you can set prefixes to make your outgoing calls with such or such provider.
Fuse Media Centre is a full featured media application. It supports audio and video files, radio streams, RSS feeds, and Podcasts. It also has a robust media library making use of many Web services such as retrieval of data from LyricWiki.org and Last.fm, as well as an extensive RSS news section displayed in a newspaper fashion for optimal reading. Fuse Media Centre can use any media engine as the backend but currently only supports GStreamer.