http://www.littlecellist.com/ (website for young cellists and their families)
http://cellobello.com/ (online cello community and professional blog with interviews, masterclasses, and videos)
http://thecellogeek.blogspot.com/ (extensive collection of cello-related videos and articles)
http://www.cello.org/ (The Internet Cello Society)
http://www.cellist.nl/ (fantastic website with biographies and general information about cellists throughout the ages)
http://imslp.org/ (International Music Score Library Project [IMSLP]: free, public-domain sheet music downloads.)
http://www.spotify.com/us/ (Spotify: a free digital music service which provides access to millions of tracks. One of the best classical collections readily available.)
http://www.naxosmusiclibrary.com/home.asp?rurl=%2Fdefault.asp (Naxos Music Library: the definitive online classical music streaming site. Unfortunately subscriptions are very expensive, but Naxos is worth the investment if you frequently have the chance to listen.)
http://www.youtube.com/ (Youtube is, of course, the go-to site for videos galore!)
http://www.berliner-philharmoniker.de/en/berliner-philharmoniker/chamber-music-groups/ensemble/ensemble/die-12-cellisten-der-berliner-philharmoniker/ (The Twelve Cellists of the Berlin Philharmonic)
http://www.cellophony.net/ (Cellophony Cello Octet)
http://suzukiassociation.org/ Suzuki Association of the Americas
http://www.corkybird.com/ A fantastic resource for students and their families
http://ericaannsipes.blogspot.com/ Our wonderful studio collaborative pianist and practice guru
http://www.ted.com/talks/elizabeth_gilbert_on_genius.html Elizabeth Gilbert’s inspired talk about showing up to do our artistic work (i.e. practice!)