LevelDB is a very fast, persistent, in-process key-value store. Read more about it here: http://code.google.com/p/leveldb/. This gem contains Ruby bindings so that you can use it from your Ruby process. INSTALLATION gem install leveldb-ruby SYNOPSIS require 'rubygems' # on for ruby 1.8 require 'leveldb' ## make a new database db = LevelDB::DB.new "/tmp/asdf" ## getting and setting db.put "it", "wo