monthlet

monthlet is an AI-native note app. You dump raw thoughts—bullets, fragments, no structure needed—and say what you want in plain language. The AI writes the note and chooses the layout: banners, columns, tabs, real spreadsheets, live charts, full-note themes. To revise, just ask, and only that part updates. It's local-first: every note is saved as a plain HTML file on your disk, so nothing is locked in and it opens in any browser. Bring your own key for Claude, ChatGPT, or Gemini—requests go straight from your Mac to the provider, never through our servers. Free and complete with your own key. macOS (Apple Silicon); Windows coming soon.