POSITRON

High-performance desktop applications with Python and modern web frameworks. Fast by design. Minimal by choice.

React • Vue • Svelte • Next.js • Vanilla JS

QUICK START

npx create-positron-app@latest

CORE / INITIALIZE

from positron import App, BrowserWindow, ipc_main

app = App()

@ipc_main.handle('core:compute')
def handle_compute(event, data):
    # Heavy Python logic here
    result = {"status": "success", "payload": data}
    return result

def init():
    win = BrowserWindow({
        'title': 'Positron App',
        'width': 1200,
        'height': 800,
        'frame': False
    })
    win.load_url('http://localhost:5173')

app.when_ready(init)
app.run()

SPECS / ARCHITECTURE

• Runtime: Python 3.9+ / No Node.js dependency
• Renderer: OS Native WebView (WebView2 / WebKit)
• UI: React • Vue • Svelte • Next.js • Vanilla JS
• Build Tools: Vite / Next.js / Webpack
• IPC: Bidirectional bridge (Electron-compatible)
• Size: ~5-10MB (Native system renderer)
• Support: Windows / macOS / Linux

STATUS / PIPELINE

01. FINISHED

• Core architecture
• Window management
• IPC communication
• Multi-framework support (React, Vue, Svelte, Next.js, Vanilla JS)
• Dev server integration (Vite, Next.js, Webpack)
• CLI scaffolding

02. BUILDING

• Documentation (80%)
• Additional examples

03. PIPELINE

• Menu API
• Dialog API
• System tray
• Auto-updater
• Build tools

FRAMEWORK EXAMPLES

Positron includes complete examples for multiple frameworks:

• React - examples/react-app - Vite + React 18
• Next.js - examples/nextjs-app - Next.js 16 with SSR
• Vue - examples/vue-app - Vue 3 + Vite
• Svelte - examples/svelte-app - Svelte 5 + Vite
• Vanilla - examples/vanilla-app - Pure HTML/CSS/JS

All examples feature the same dark minimalist UI and full IPC support.

RESOURCES / LINKS

• Documentation: positron.tomlin7.com
• Source: github.com/tomlin7/positron
• License: MIT

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© 2026 POSITRON DEVELOPERS