Here are a few good, quality, music related links that I like or that others have requested link-up. If a web has some good, QUALITY free stuff, I make sure to bookmark it.

My Recommended sites:

Mandolin:

www.mandolincafe.com Very nice, clean site for the mandolin. Good source for free mandolin tablature and other helpful information.

Banjo:

www.banjohangout.org is an informative site for banjo pickers. Many tablatures to a lot of great songs of all styles.

Dobro:

 http://www.reso-nation.org/ is a forum for the Resonator/Dobro enthusiast.

Fiddle:

www.fiddlehangout.com is a comprehensive fiddle resource.
 

Instrument Repair, Parts, etc:

www.stewmac.com has guitar parts, tools, books and videos for guitar makers and repair shops. they carry a wide variety of materials for the other bluegrass instruments, including, Banjos, Mandolins, Fiddles, Dobro, Bass and more.

www.elderly.com music store and mail-order service features new and used instruments, instructional books, videos, hard-to-find CDs and cassettes. If you have questions about vintage instruments, appraisals you may want to contact their vintage department for the latest scoop.

FREE Music Software:

www.hitsquad.com has an amazing list of great free music software. Thousands of titles to choose from for recording audio, editors, CD burning, instrument tuners, video editing, music theory tools, DJ, karaoke and the list goes on. Many are shareware demos but there are some freeware gems in the mix.