Ross ROSS = Recommend OSS · open-source software intelligence for agents

MacDownApp/macdown

Open source Markdown editor for macOS. observed · 2026-08-28

github.com/MacDownApp/macdown · homepage · Rich Text Format observed · 2026-08-28

Health v2 · maintenance only

23/100

  • Activity 0
  • Release rhythm 8
  • Longevity 100

Flags: no_license

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 4455
  • days_rel: n/a
  • days_push: 1150
  • n_releases_24m: 0

Full methodology

Adoption not part of the score

9819 stars · 1171 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

MacDown is an open source Markdown editor for macOS with live HTML preview, built in Objective-C/Cocoa. It offers configurable Markdown rendering, syntax highlighting in fenced code blocks, TeX math support, and auto-completion.

Use cases

  • write markdown documents on mac with live preview
  • convert markdown to html
  • edit readme files with syntax highlighting
  • preview github-flavored markdown locally
  • write documentation with math and task list support

When to choose

  • you use macOS and want a free, native Markdown editor
  • you need customizable Markdown-to-HTML rendering with live preview
  • you want Mou-style editing with themes and code block highlighting

When to avoid

  • you need a cross-platform editor
  • you require frequent updates or long-term active support
  • you need a license file shipped in the repo (license is stated as MIT on the site but absent from the repo)

Facets

application · maturity maintenance

editor markdown templating text-editors documentation web-development markdown-editor live-preview syntax-highlighting objective-c cocoa open-source macos desktop

4 sources

Member repositories

RepositoryRoleHealth v2
MacDownApp/macdownmain23

For agents

markdown · JSON · MCP: product_card(name="MacDownApp/macdown")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem