ATOK
ATOK (; エイトック Japanese pronunciation: [eitokku]) is a Japanese input method editor (IME) produced by JustSystems, a Japanese software company. ATOK is an IME with roots from KTIS (Kana-Kanji Transfer Input System) come with JS-WORD, the Japanese word processor software for PC-100 in 1983, but it now supports a variety of platforms including macOS, Windows, Android, and iOS. Once ATOK meant Automatic Transfer Of Kana-kanji.