Parenthesis
Parenthesis is a local-first plain-text markdown note-taking app for macOS.
Open productWhat it does
About Parenthesis
Parenthesis is a local-first plain-text note-taking application designed for macOS 13 Ventura or later on Apple Silicon and Intel Macs. It writes directly to standard Markdown files in user-designated local folders without syncing to proprietary servers, maintaining full compatibility with Git. The application features a side-by-side live formatted preview, a visual graph of note connections, ⌘K command navigation, and optional AI model integrations using personal API keys.
- Availability:
- launched
- Access:
- paid
- Format:
- software
- Platform:
- macos
Pricing at launch: One-time purchase with no recurring subscription or user accounts required.
Core capabilities
Live Markdown Preview
Edit plain markdown text files alongside a live formatted preview that updates while typing.
Visual Graph Mapping
Visualize links and relationships between notes using an interactive graph map.
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