Internet Radio
Last.FM - one of the most popular music communities around, with personalized radio stations, a stunning array of social networking features, RSS support and lots more.
Slacker - personalized Internet radio which offers a desktop version of the application and a hardware portable music player. Available only in the United States.
ShoutCast - A large directory of Internet radio stations, categorized by genre. Streams work in Winamp.
Live365 - A directory of web-based Internet radio stations - expect popups.
Yahoo! Music - listen to Internet radio and watch music videos on Yahoo's music portal.
AOL Music - AOL's take on internet radio. Offers music from XM as well.
Pandora - a very popular Internet radio/community which brings you new music based on stuff you like. Works only in the US & Canada at the moment.
Yottamusic - a huge music library boasting over 3.4 million songs, accessible from your web browser.
Music Discovery Tools
MusicMesh - browse through artists based on their similarities; find tracklists and reviews for albums.
Blogmusik - browse through top lists and listen to popular artists for free.
Musicovery - discover new music with this cool take on Internet radio.
Social Networks
iLike - a community that lets you discover new music based on you and your friends' tastes.
PureVolume - a “MySpace for musicâ€, albeit with a classier design.
ProjectPlaylist - popular site for sharing playlists and posting them to other social networks.
Imeem - another playlist-sharing community for artists and fans that also supports embedding of tracks on other social sites and blogs.
MP3.com - the famous music site is now a social network similar to MySpace Music.
iJigg - a place for indie bands and artists to post their music, which the users can download for free.
MOG - a place to share your music and video library and exchange thoughts on music with others.
Fuzz - discover new music; artists can sell their music, but there are also free songs to be found on the site.
eListeningPost - convert your tracks into preview files, then sell them and keep 94% of the profits.
ProjectOpus - Music community for indie bands, complete with widgets to post on MySpace and blogs.
Rapspace.tv - social networking for rap and hiphop.
Musocity - a music community with profiles for fans, artists, retailers and music venues.
Haystack - social networking, playlist sharing and band profiles.
Bandbuzz - find and rate music playlists in a Digg-like interface.
Midomi - find songs by humming or singing the tune. Then explore profile pages and network with others.
Buzznet - large pop culture community with news, videos, photos and member profiles.
JukeboxAlive - Upload music and share tracks with friends. Bands can sell their CDs, write a blog and post events to a calendar.
MusicHawk - track bands and see band-related news and reviews, as well as information on gigs and new releases.
ReverbNation - social network connecting bands, fans and venues.
MusicNation - find new music, watch music videos; if you're an indie/unsigned artist, join for a chance to get exposure or even a record contract.
Grooveshark - an online service that rewards you for sharing, reviewing, and discovering new music (currently in private testing - enter you email address on the homepage to be notified of the launch).
Dopetracks - upload and share your tracks and beats, and record music online.
Funk Player - a music sharing community where authors can upload songs, while everyone can bookmark, select, listen and comment on them.
FIQL - social playlist sharing.
Soundflavor - create playlists and share them with other users; meet people with similar taste and discover new music.
FineTune - pick an artist and receive a custom playlist featuring music by that artists and other related artists.
MusicMobs - browse through playlists and create your own in a simple interface.
Music Sharing Applications and Widgets
uPlayMe - a downloadable application that lets you meet people with similar music tastes.
DotTunes - share your iTunes collection with friends through your web browser.
Audiozue - A Mac OSX application that posts your recently-played iTunes tracks to your MySpace page or blog.
Sonific - a music network where you can store the music you hold the rights to, and syndicate it to other sites with SongSpot widgets.
Mediamaster - upload your entire music collection and access it from anywhere in the world. You can also publish this music via widgets to any website.
BooMP3 - upload and share your MP3s; unlimited hosting.
Goombah - an application that scans your iTunes library and connects you with like minded users.
Maestro - upload your entire music library and access it from anywhere.
Music Marketplaces
iTunes - Apple's overwhelmingly popular music download store is a service that requires little in the way of introduction.
Amie Street - music market where music starts with free price, and the price increases as a track becomes more popular (the price never goes above 1 dollar).
Emusic - one of the most successful “indie†music stores, with over 100 million DRM-free tracks sold.
Bleep - high-quality MP3s with prices that are a bit high, but offering a great assortment of quality music.
MP3 Tunes - an online music store offering 30,000 albums and some 360,000 songs in its catalog.
Amazon - a soon-to-come music store which should have a huge assortment of music from big and indie labels alike.
PayPlay.FM - choose between over 1.4 million indie music tracks, and buy them in either MP3 or WMA format.
Beatport - a Flash-based music store with an embeddable player.
Audio Lunchbox - choose between 2 million DRM-free songs in MP3 or OGG format.
Indiepad - buy music from indie artists; if you're an artist, sell music to people directly on the site.
Indistr - another audio marketplace that connects indie artists with the listeners.
Mtraks - an indie music marketplace with a very interesting and quite strong music collection in store.
MagnaTune - here you'll find an assortment of music from various genres, ranging from electronica, rock and chillout to metal & punk.
Jamendo - an online music repository offering thousands of albums for free while still protecting the artists' intellectual rights.
Musicane - buy and sell audio, video and ringtones.
Musiclovr - music search, recommendations and a store. Purchases are made via Amazon and iTunes.
MySpace Music / Snocap - through Snocap's embedded music stores, bands on MySpace sell tunes to the social network's huge audience. Bands can also sign up for Snocap independently and sell music elsewhere.
Jamming
Ejamming - jam with other musicians and record music online.
Kompoz - compose music with other musicians. Record a track, then invite other musicians to add their own instruments.
Jamnow - a musical collaboration site where you can jam with other musicians. Jam sessions can be broadcast live.
Indaba - listen to completed music or works in progress and give your feedback; join in the music-making sessions or start your own.
JamJunky - have a song that's not quite finished yet? Or, better yet, have a dozen? Organize them with JamJunky.
Karaoke
Singshot - the “YouTube of Karaokeâ€: record yourself singing along to popular music and listen to others doing the same.
kSolo - sing along to backing tracks, and rate the recordings of others.
Remixing
Jamglue - remix your music online and listen to other users' mixes.
Splice - upload samples, remix them and post them for others to hear.
YourSpins - mix your own version of your favorite track, share it and post it to your blog or MySpace page.
Mobile Music Services
Flotones - a mobile social network which allows indie bands and artists to sell their content for use on mobiles.
Entertonement - a large directory of ringtones, with top lists and categorization for easier browsing.
Mercora - a social radio network that enables you to search and listen to over 3.5 million songs; offers an application for listening to music on your smartphone.
Music Charts
Billboard - home of the Billboard charts, with music videos and reviews.
MTV's music charts - MTV charts and videos. Videos playable only in the US.
ChartU - a “Digg for musicâ€: vote on tracks to boost them up the chart.
Artist Databases
Allmusic - probably the most comprehensive music database on the Internet. If your favorite artists aren't there, well, then you're listening to some pretty unknown artists.
Pandora Backstage - artist profiles and discographies from the personalized streaming service. You can create a custom radio station straight from an artist's page.
Lyric Databases
AbsoluteLyrics - Lyrics for all major artists.
Hot Lyrics - huge alphabetized lyrics database. Hard to navigate, but lots of content.
Music Search Engines
Qloud - Music search meets social networking. The service that launches next may be substantially different, however.
FindSounds - a search engine for sound effects and music instrument samples.
Musipedia - find and listen to songs based on keywords you provide.
Audio Conversion Tools
Zamzar - converts all sorts of file formats, including several audio formats.
Media Convert - a media converter with a huge amount of options.
MediaConverter - a media converter that can be slow and needs polishing, but can sometimes yield really good results.
Miscellaneous Music and Audio Tools
Bluegrind - converts text to audio.
BePopular - find gigs in UK and Ireland and get your tickets.
Getabuz - create voicemail and audio e-cards online.
iden.tify.us - can't figure out where a certain melody comes from? Identify it with the help of this service.
Houndbite - share funny audio clips from your life with other users, with the possibility to earn prizes. (via)