A native iOS reader for everything — EPUB, TXT, RSS, and web articles — with CJK vertical text, TTS, WebDAV sync, and Legado-compatible rules.閱讀是一個IOS原生閱讀器，支持TXT、EPUB、書源、RSS訂閱

(in alpha) 网页竖排。右起縱書。像古代一样。Make webs vertical lined layout, like traditional CJK writing method in east asian culture circle.（招日韩蒙越翻译）

縦書きエディタ

Windows GUI tool for converting Aozora Bunko text, EPUB, images, and plain text into Japanese vertical-writing XTC/XTCH files for Xteink X3/X4.

Vertical Japanese numeral formatting. Arabic numerals to Kanji numerals, with TCY (tate-chu-yoko) and HTML support.

High-performance vertical writing extension for CodeMirror 6 using 90-degree rotation