Daylight Documentation

Welcome to the Daylight documentation. Daylight is a local-first productivity app that stores your tasks as plain Markdown files with YAML frontmatter.

Quick links

Get started

• Getting Started — Install Daylight and create your first task

Core concepts

• Task File Format — YAML frontmatter reference and field guide
• Recurring Tasks — Set up repeating tasks with RRULE syntax

Operations

• Sync & Conflicts — Multi-device setup with Syncthing

Reference

• Architecture — How Daylight is built (Svelte + Tauri + Rust)
• Limitations — What Daylight doesn’t do and why

Why Daylight?

• Your data, your files — Plain Markdown files you can read, edit, and sync anywhere
• Offline-first — Works without internet, syncs when you’re ready
• No vendor lock-in — Use Syncthing, Dropbox, or any file sync service
• Open format — If Daylight disappeared tomorrow, your tasks are still readable text files