Olum logo

Built for Prototypes,
Rapid Development

The fastest way to turn ideas into apps for hackathons and experiments.

$npx create-olum@latest my-app
How it works

Build in Seconds
With no Setup

Signal-based reactivity makes interactive apps feel effortless. Explore the files or run the live preview.

todo-app/preview

My Tasks

  • Try the Olum framework
  • Build a todo app
  • Ship something great
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Ecosystem

Everything works
out of the box.

Official packages built and maintained by the Olum team — fully integrated, always up to date.

official

Olum Router

File-based routing with dynamic segments, nested layouts, and async data loading. Zero-config, instant HMR.

official

Olum DevTools

Browser extension with component inspector, signal graph explorer, and time-travel debugging built in.

CLI

create-olum

Scaffold a new project in seconds. Choose from starter templates: minimal, full-stack, PWA, or library.

official

Olum Store

Ergonomic global state built on the same signal primitives. No boilerplate, no selectors — just reactive stores.

IDE

VS Code Extension

Syntax highlighting, IntelliSense, auto-imports, and inline signal previews for `.olum` single-file components.

official

Olum Testing

First-class testing utilities. Mount components, trigger signals, and assert DOM output — all without a browser.

Built for the modern stack

Ready to ship

Start building in seconds.

One command. Full-stack ready. No configuration hell. Just code.

$npx create-olum@latest my-app