Build apps with AI and race against the clock on verified leaderboards
Build a working calculator app with +, -, *, /, clear, and decimal support.
Build a todo app with user login and full create/read/update/delete of todos.
Build a tool that accepts a PDF and extracts text and metadata.
Build a marketing landing page with hero, features, CTA, and pricing section.
Build a simple chatbot UI that responds to user messages.