Distributed Databases

Site of the day: http://uberaffiliate.com/


Memcached
memcached.org
http://en.wikipedia.org/wiki/Memcached

Project Voldemort
project-voldemort.com

Apache CouchDB
couchdb.apache.org
http://en.wikipedia.org/wiki/CouchDB

Redis
code.google.com/p/redis
http://en.wikipedia.org/wiki/Redis_(data_store)


See also:
http://en.wikipedia.org/wiki/Structured_storage
http://en.wikipedia.org/wiki/NoSQL
http://en.wikipedia.org/wiki/Two-phase_commit_protocol
http://en.wikipedia.org/wiki/Distributed_hash_table