Yahoo! KeyKey[1] is a customized Chinese input methods tool based on an open source project Openvanilla[2]. Yahoo! had decided to make Yahoo! Keykey as a open source projecet and under new BSD licene. Some external dependency information are list here: 1.SinicaCorpus: You could reach http://www.sinica.edu.tw/ for the license. 2.BPMFMappings was created based on SinicaCorpus. 3.YahooSearchTerms: You could grabe hot keyword from http://tw.yahoo.com. 4.sqlite-cerod-see: Commerical SQLite Compressed and Encrypted Read-Only Database (CEROD) Extension, please check http://www.hwaci.com/sw/sqlite/cerod.html 5.DotMacKit.framework and PackageMaker.app: You can get it from Apple development kit. 6.CTGradient is licensed under http://creativecommons.org/licenses/by/2.5/ . [1]. http://tw.media.yahoo.com/keykey/ [2]. http://openvanilla.org/