SunPinyin === SunPinyin is an SLM (Statistical Language Model) based input method engine. To model the Chinese language, it use a backoff bigram and trigram language model. Currently, SunPinyin 2.0 is available on IBus. ibus-sunpinyin === ibus-sunpinyin is a wrapper around SunPinyin which enables user to use SunPinyin with IBus framework.