TATEditor
Ryo Nonaka
テキストエディタ(縦書き・横書き)
Shizuha
PenCake - simple notes, diary
Diffathy, Inc.
Lite Writer: Writing/Note/Memo
OneLiteCore
JotterPad - Writer, Screenplay
Two App Studio Pte. Ltd.
Pure Writer - Writing & Notes
Drakeet
Story Plotter
CreaterSupporter
青空文庫ギャラリー(縦書きビューア)
tender
Writing Habit - Daily Prompts
ほその夫妻
Jota+ (Text Editor)
Aquamarine Networks.