I see some superset tools that extends Markdown, like Quarkdown seems to be very powerful. Is there a way to replace markdown-it extension with tools like Quarkdown?

No not possible, you would need to extend markdown.it with the various features you want.

GitHub repo of the day, impressive!

QuarkdownはMarkdownの代わりになり得るか

merefield (Robert) 2026 年 3 月 14 日午前 8:19 3

本日のGitHubリポジトリ、素晴らしい！

トピック		返信	表示
Repackaging a markdown-it extension as a Discourse plugin Developer Guides explanation , plugin-guides	1	2413	2026 年 3 月 13 日
No way to install markdown-it plugins? Development	7	2313	2018 年 4 月 5 日
Discourse CommonMark migration plans :confetti_ball: :balloon: Development	9	5795	2017 年 7 月 21 日
How to integrate a stronger markdown editor other than the basic one Development	2	2520	2016 年 9 月 14 日
Developer's guide to Markdown extensions Developer Guides markdown , reference , code	0	13490	2017 年 7 月 11 日