Sing Out
Acoustic Guitar
Fingerstyle Guitar
Performing Songwriter
Guitar Player
Flatpicking Guitar 

Mandozine

Video Concerts, Instructional

Homespun Tapes
Stefan Grossman's Guitar Workshop 
Vestapol Videos 

Radio Stations

WUMB - FM Online
Boston radio station which has live streaming audio of Folk and Blues music.

WKSU Folk Music
Northern Ohio public radio station, located at Kent State University in Kent, OH, which has a 4 hour folk music show every Friday, Saturday and Sunday nights.  The show is made available for about 5 weeks online.  Listen whenever you want.  Playlists are included.  This is an excellent show if you can use RealAudio, Windows Media Player or some other audio player effectively on your PC.

FolkAlley.Com
A project of WKSU.  24/7 streaming audio of acoustic music.