Ukulele History:

• The Ukulele at Wikipedia
• Nalu Music Site - John King's website that includes many historical anecdotes.
• Ukulele Hall of Fame Museum - information about ukulele players, makers, music and history.
• ChordMaster.org - an insightful, humorous site dedicated to the history of Mario Maccaferri's 1950s invention, an automatic ukulele chording accessory.

Ukulele Music on the Web:

• UkeCast - A regular podcast featuring ukulele music and informative & educational articles and events.
• UkeFarm - Streaming ukulele music 24/7.

Ukulele Online Communities & Discussion Forums:

• Flea Market Music - A repository of ukulele links, artists, store, calendar of nationwide events & more.
• UkeTalk
• Ukulele Cosmos
• The 4th Peg
• Ukulelia.com - A regulary updated web journal of ukulele news and events.

Ukulele Manufacturers:

• Tiki King
• Beltona Resonator Instruments
• DaSilva Ukulele Company
• Renaissance Guitars
• Flea Market Music
• C.F. Martin & Co.
• Kepasa Ukulele
• Earnest Instruments
• National Resophonic
• Tony Graziano Ukuleles and Guitars
• Pohaku Ukulele
• Kamaka Ukulele
• RISA Musical Instruments
• Road Toad Music
• GString Ukuleles
• Kanile'a Ukulele

Local Ukulele Clubs, Festivals & Organizations:

• San Diego Ukulele Festival
• Santa Cruz Ukulele Club
• South Bay Strummers - Los Angeles, CA
• Kolohe Ukulele Club of Southern California
• Moonlight Beach Ukulele Strummers - Encinitas, CA
• DaSilva Ukulele Company/Berkeley Ukulele Club
  
• Ukulele Friends Ohana
• Southern California Ukulele Festival