Current plugin list

Bookmarks	1.5	builtin	http://freshcode.club/projects/streamtuner2	For collecting favourites. And provides some feature/category plugins.
Compound★	0.2	virtual	http://fossil.include-once.org/streamtuner2/	combines station lists from multiple channels
Delicast	0.3	radio	http://delicast.com/	directory of streaming media
di.fm	0.2	radio	http://di.fm/	"Digitally Imported", electronic music stations, + sky.fm and jazzradio
Dirble	2.1	radio	http://dirble.com/	Song history tracker for Internet radio stations.
filtermusic	0.1	radio	http://filtermusic.net/	Daily refreshed list of electronic+dance music streams.
GrLittleRadio	0.2	playlist	http://sourceforge.net/projects/glrp/	Static list from Great Little Radio Player
Internet-Radio	1.2	radio	http://www.internet-radio.org.uk/	Broad list of webradios from all genres.
Jamendo	2.2	radio	http://jamendo.com/	A license-free music collection and artist hub.
ListenLive	0.0	radio	http://listenlive.eu/	European radio stations streaming live on the internet
Live365	0.4	radio	http://www.live365.com/	Around 5000 categorized internet radio streams, some paid ad-free ones.
Magnatune	0.1	collection	http://magnatune.com/	Independent and user-friendly radio label
MODarchive	0.2	collection	http://www.modarchive.org/	Collection of module / tracker audio files (MOD, S3M, XM, etc.)
MyOggRadio	0.7	radio	http://www.myoggradio.org/	Open source internet radio directory.
PODspider	0.0	talk	http://www.radiograbber.de/	lists Podcasts RSS from proprietary podspider xml database
PublicRadioFan	0.1	radio	http://www.publicradiofan.com/	Scheduled broadcasts, radio stations and genres, sorted by locations
PunkCast	0.3	video	http://www.punkcast.com/	Online video site that covered NYC artists. Not updated anymore.
RadioBrowser	0.1	radio	http://www.radio-browser.info/	Community collection of stations; votes, clicks, homepage links.
radio.net	0.4	radio	http://radio.net/	Europe's biggest radio platform
Radionomy	0.6	radio	http://radionomy.com/	Modern radio directory and streaming provider
RadioTray hook	0.3	bookmarks	http://radiotray.sourceforge.net/	Allows to bookmark stations to RadioTray
reddit⛱	0.8	playlist	http://reddit.com/r/Music	Music recommendations from reddit /r/music and associated subreddits.
Shoutcast.com	1.5	radio	http://www.shoutcast.com/	Primary list of shoutcast servers (now managed by radionomy).
SomaFM	0.9	radio	http://somafm.com/	Alternative radio, entirely community sponsored and non-advertisey.
Soundcloud player	-1	player	http://elephly.net/soundcli.html	Just sets a new configuration option for soundcli
SurfMusic	0.5	radio	http://surfmusic.de/	User collection of streams categorized by region and genre.
TuneIn	0.3	radio	http://tunein.com/	Online Radio, Broadcasts, Podcasts per RadioTime API
UbuntuUsers	0.1	radio	http://wiki.ubuntuusers.de/Internetradio/Stationen	Static list of radio stations courtesy of the UbuntuUsers.de Wiki
vTuner	0.2	radio	http://vtuner.com/
WindowsMedia	0.4	radio	http://windowsmedia.com/	ASX-Playlist radio stations, common genres
Xiph.org	0.6	radio	http://dir.xiph.org/	ICEcast radios. Scans per JSON API, slow XML, or raw directory.
Youtube	0.2	video	http://www.youtube.com/	Channel, playlist and video browsing for youtube.

Obsolete plugins

iCast	Service shut down.
Google Music	Was part of streamtuner1, but discontinued as DMOZ stagnated.