Banjo Hangout - www.banjohangout.org/ This is the world's largest, most active banjo community. Established in 2000, the Banjo Hangout features forums, reviews, tabs, audio and video archives and much, much more. Built for banjo players, by banjo players, this is the place to go for free banjo resources!
Banjo Chords. - banjochords.net/ BanjoChords.net is a free online chord finder for banjo with thousands of chord voicings. All chords are provided in three formats: chord charts, standard notation, and tablature.
The Improvisor's Bass Method (book) by Chuck Sher "The most comprehensive bass method book ever published! A complete method book, over 200 pages, filled with information and exercises on all aspects of bass playing, for both acoustic and electric bass. Plus transcribed bass lines and solos."
Guitar
Flatpicking Guitar Magazine - http://www.flatpick.com/default.asp "Flatpicking Guitar Magazine is dedicated to helping guitar players, from beginner to expert, increase their proficiency flatpicking the acoustic guitar. In addition to our bi-monthly magazine, we offer training books, CDs, DVDs as well as lessons, podcasts, videos and workshops. We focus on comprehensive instruction on flatpicking techniques for all musical genres including bluegrass, old-time, folk, Western swing, gypsy jazz, new acoustic music, and acoustic rock."
The Bluegrass Guitar Home Page - www.bluegrassguitar.com/ The Bluegrass Guitar Home Page was created to be a convenient source of information about the acoustic flat-top guitar and its use in Bluegrass music. Our goal is to help promote traditional guitar and assist players and fans alike.
Mandolin
Mandozine - http://www.mandozine.com/index.html "John Baxter launched Mandozine, a web site for mandolin, in 1996. Mandozine hosts a music archive of almost 3,000 songs, transposed or transcribed for mandolin. In 2005, Mandotunes, a media site for Mandozine was launched. Ukefarm, a Web site for ukulele, was launched in early 2006, followed that year by Mandozine Radio and Ukefarm Radio."
Fiddle
Musical Playgrounds: All About Fiddling- https://www.aaastateofplay.com/musical-playgrounds-all-about-fiddling/ It covers the origins and history of the fiddle, teaches you how the instrument is made, and even has a fantastic selection of fiddle lessons, songs and online practice guides. - link submitted by Julie - Thank You!
Fiddler Magazine- http://www.fiddle.com/Home.page "Founded in 1994, Fiddler Magazine is an informative, educational, and entertaining resource for fiddlers, accompanists, and appreciative listeners. Each quarterly issue (now approx. 60 pages each) features a variety of different styles of fiddling, as well as plenty of other articles and columns. Regular columns include: Bluegrass Fiddling, “The Practicing Fiddler,” Fiddle Tune History, On Improvisation, Irish Fiddling, Cross-Tuning Workshop, Cross-Canada Fiddle Tour, and reviews of CDs, books, and DVDs. Each issue also includes transcriptions of several tunes."
FiddleVideo - http://www.fiddlevideo.com/fiddlevideo/ "is an online fiddle lesson website, designed to help you take your playing to the next level. Each lesson module has been recorded using High Definition (HD) cameras and studio-quality audio. Our picture-in-picture approach gives you up-close insight into the subtle techniques that take an ordinary performance and make it superb. Lessons have been recorded using a consistent methodology so you can be guaranteed that each tutorial will be as professionally produced as the next."
Other
This will always be under construction.... there are always more great links out there.... Let us know if you have one for us to post