The Chewing (酷音) input method is an intelligent Zhuyin input method. It is one of the most popular input methods among Traditional Chinese Unix users.Chewing was a project established by Lu-Chuan Kung (龔律全) and Jeremy Kang-Pen Chen (陳康本), sponsored by Tsan-sheng Hsu (徐讚昇) from Academia Sinica.Their research result (the program) was published under the GPL.The Chewing core team extended their work and actively maintains the project.