ToolNewFor Students and language learners

Ruled

Review today's cards. Ruled remembers the rest.

Build flashcard decks, review the cards due each day, and let the SM-2 method schedule when each one comes back, all in your browser with CSV import and export.

Download the source

Zip, 201 KB. MIT licence. Built 28 Oct 2026.

Live preview

Open the appOpen full screen
Loading the live site…

This is the real site, not a mock-up. Click around; the button on it opens the working app.

What you get

Everything a tool needs, already done.

Pages and screens

  • Launch page
  • How it works
  • Features
  • Deck list
  • Review screen
  • Import and export

Features

  • SM-2 scheduling of each card's next review
  • Daily due-today review queue
  • 20 new cards a day
  • Decks import and export as CSV
  • Lives in your browser, no account
  • Nothing to install, no settings

Palette

  • #3b5bdb
  • #2c47b8
  • #e6ebfb
  • #ffffff
  • #1f2328
  • #575d66

Style

  • Warm
  • Minimal
  • Editorial
Ruled on a phone
On a phone, as shipped.

For developers

A real codebase, not a page builder export.

Stack

Vite, React 19 and TypeScript for the app. The launch page is plain HTML, CSS and a little JavaScript with no build step. Vitest for unit tests, Playwright for browser tests.

Run it

unzip ruled.zip
cd ruled
npm install
npm run dev

In the zip

  • site/ the launch page with the built app in site/app/
  • src/ and e2e/ the app source and tests
  • docs/technical-docs/ architecture, runbook, quick reference
  • START-HERE.md and LICENSE (MIT)

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