Letter Opener vs MacDown 3000
Side-by-side comparison for macOS
Letter Opener
8.0Display winmail.dat files directly in Mail.app
MacDown 3000
7.5Markdown editor with live preview and syntax highlighting
| Metric | Letter Opener | MacDown 3000 |
|---|---|---|
| Category | Developer Tools | Productivity |
| AI Score | 8.0 | 7.5 |
| 30-day Installs | 5 | 736 |
| 90-day Installs | 14 | 2.3K |
| 365-day Installs | 76 | 4.2K |
| Version | 16.0.7 | 3000.0.6 |
| Auto-updates | No | No |
| Deprecated | No | No |
| GitHub Stars | 3.8K | 155 |
| GitHub Forks | 241 | 12 |
| Open Issues | 5 | 64 |
| License | MIT | — |
| Language | Ruby | Objective-C |
| Last GitHub Commit | 1y ago | 4mo ago |
| First Seen | Nov 3, 2021 | Dec 27, 2025 |
Reviews
Letter Opener
Letter Opener is a macOS app that simplifies viewing winmail.dat files directly in Mail.app, a common issue for users dealing with Outlook-generated emails. It offers developers a tool to preview emails in the browser, enhancing workflow efficiency.
Displays winmail.dat files within Mail.app, allowing users to view rich text and embedded content without extra software.
Pros
- + Effectively handles winmail.dat files, a common issue
- + Actively maintained with a robust community following
- + Open-source MIT license, appealing to developers
Cons
- - Low recent installs indicate limited awareness or adoption
- - Manual updates required, no auto-update feature
MacDown 3000
MacDown 3000 is a sleek Markdown editor offering live preview, syntax highlighting, and a modern interface. Ideal for macOS users seeking a reliable tool for writing and content creation.
A Markdown editor with live preview and syntax highlighting.
Pros
- + Lightweight and modern interface
- + Live preview and syntax highlighting
- + Recent updates indicate active development
Cons
- - No auto-update feature
- - Unknown license status
- - Some past bugs, though resolved