How is it different from a Markdown editor?

It is reading-first: a native macOS reader optimised for consumption rather than writing, with cross-project search and CJK-aware typesetting.

The project cites a 0.3 second cold start and 100+ fps scrolling, which is the case it makes against heavier editors.

Yes, it is MIT licensed, so you can read, modify and redistribute the code under those terms.

No pricing page is published, and it is MIT licensed open source, so expect to use it on those terms.

Yes — MuM is listed as Agent Ready on Maarket.

MuM is listed as a fit for Startup teams.

What are the alternatives to MuM?

Other Writing & Editing products on Maarket include Caldera, Grammarly, QuillBot, Understory Notes.

How is MuM ranked on Maarket?

Purely by Karma Points earned from community actions — reviews, recommends, use signals and clicks. There is no pay-to-rank; sponsor placements are always clearly labeled.

‹ Writing & Editing

MuM — A reading-first Markdown engine for macOS

#1 in Writing & Editing

⚡ 20 KP · ↗ 0 total clicks

Visit website ↗

Is this your product? Claim profile

Back this Product

Tap to add yours

MuM at a glance

Category: Writing & Editing
Best for: Startup
Agent compatibility: Agent Ready
Total clicks: 0
Website: mum.jiker.ai ↗
Recommends: 👍 0
I use this: ✋ 0
Reviews: ⭐ 0
Last updated: 19 Oct 2026

Demo & screens

About MuM

A reading-first Markdown engine for macOS, a native reader optimised for consumption rather than writing, with multiple projects, cross-project search and CJK-aware typesetting, a 0.3 second cold start and 100+ fps scrolling. MIT licensed.