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Coffee

A quiet Markdown editor for Mac, with sums in your notes

Listing details

HiCyou directory record

Listed
Listed website
producthunt.com
Directory record created
Nov 11, 2026
Last record update
Nov 11, 2026

Listing information

  • Overview
  • 5 key features
  • 4 use cases

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What is Coffee

Coffee is a native Mac Markdown editor that keeps your notes as plain Markdown files in a folder you control. It shows answers to sums beside the line, renders maths and Mermaid diagrams natively, and lets you review every change an AI tool makes to a note. A 14-day free trial is available.

Key Features

Native Mac Markdown editor
Notes stored as plain Markdown files in a folder you choose
Inline answers to sums next to the relevant line
Native rendering of maths and Mermaid diagrams
Review every change an AI tool makes to a note

Use Cases

  • Taking and organizing notes in plain Markdown on Mac
  • Doing quick calculations directly within notes
  • Writing documents with maths and Mermaid diagrams
  • Using AI assistance in notes while reviewing each change

Why do startups need this tool?

Startups and technical teams who live in Markdown get a fast, native Mac editor that doubles as a scratchpad for calculations, diagrams, and AI-assisted writing, while notes remain portable plain-text files.

FAQs

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