IMSLP - the Petrucci Music Library is the largest collection of free sheet music on the web. It has many classical guitar titles.
ClassClef.com - ClassClef is a non profit website dedicated to classical guitarists seeking free sheet music, gpx and midi.
Mauro Giuliani - This is an incredible resource! A complete database of every piece composed by Mauro Giuliani, completely free. There are also articles about guitar history, and some Giuliani video recordings.
Scribd - free online library, includes lots of free sheet music.
Guitar Shopping Sites
Strings By Mail - The best website for buying classical guitar strings, and accessories. Their prices are unbeatable!
GuitarCenter.com - the best website for buying classical guitars and guitar cases online.
Classical Guitar Forums
DelCamp - largest classical guitar forum on the web. You should definitely check this out at some point if you are a classical guitarist.
Classical Guitar Forum - a classical guitar community where all levels of enthusiasts can share advice, experiences, techniques, methods and performances.
Classical Guitar Blogs and News
The Classical Guitar Blog - probably the most popular classical guitar blog on the web. Includes guitar news, interviews and more.
The Classical Guitarist - Resources and Information for the Classical guitarist including tutorials, free music and CD Reviews.
Guitar Luthier Sites
Handmade Classical Guitars by Zebulon Turrentine - The official Web site for handmade concert classical guitars built by Zebulon Turrentine. Zeb us a luthier with a degree in Guitar Performance from Shenandoah Conservatory. He grew up working with wood and combines his skills as a woodworker and player in crafting some of the best classical guitars available today. Check for available instruments, current projects and get information and pictures on every guitar made.
Other Guitar Directories
- one of the largest online directories for all styles of guitar