[Intum Help](https://intum.com/help.md) / [Noe](https://intum.com/help/noe.md)

# [Noe Apps](https://intum.com/help/noe/noe-apps.md)

## What are Noe Apps

Interactive web interfaces created in the browser without your own backend. Edit code in Intum, it compiles on the fly.

## Three types

### 1. Standalone applications
Available at `/a/:url_code` - calculators, dashboards, games. Public or private.

### 2. Integration applications
Connect Intum with external services (Fakturownia, KSeF, Allegro). Often use a Noe database for cache.

### 3. Internal applications
Scripts injected into Intum pages via `show_in_module`. See [Internal Noe Apps](../noe-ai/aplikacje-noe-wewnetrzne).

## Rendering engines

- **Svelte 5**, **Vue 3**, **React 19**, **JavaScript**, **HTML**, **Kaboom / Phaser**
- CSS: `tailwind_all` (CDN), `tailwind` (compiled), `none`

## Features

- Code editor with syntax highlighting
- Automatic compilation on save
- Public or private publishing
- Friendly URLs (`/a/calculator`)
- Cloning, Noe database, AI prompt, Flow actions, Change history

## Example

[How to add a Noe app that highlights emails](../poradnik/jak-dodac-wlasna-apke-noe-podswietlajaca-maile-od-konkretnego-nadawcy)