A lightning-fast Python web framework with a high-performance Zig substrate.

pip install volt-framework

Volt combines the simplicity and expressiveness of Python with the raw performance of Zig. Unlike traditional Python web frameworks that rely on slow WSGI/ASGI servers, Volt includes its own blazing-fast web server written in Zig - giving you production-ready performance out of the box.

Why Volt?

• Create easy SPA-like applications - Built with HTMX in mind, you can create high quality, responsive applications, without a separate frontend
• Type-safe templating - The Jinja templating you know and love, with the power to generate type safe dataclass components for template context
• Zero external dependencies for serving - No need for gunicorn, uvicorn, or other WSGI/ASGI servers
• Batteries included - Everything you need for modern web development in one package
• Performance without complexity - Write pure Python, get Zig-level speed
• Simple developer experience - One command to run, deploy, and scale

import os
import time

from sqlalchemy import create_engine
from sqlalchemy.orm import Session

from volt.router import Handler, HttpRequest, HttpResponse, route, middleware, run_server
from db import query

# Easily add middleware
@middleware
def logging(request: HttpRequest, handler: Handler) -> HttpResponse:
    """Add custom logging to each request"""
    start = time.time()
    response = handler(request)
    end = time.time() - start
    print(f"Request - Path: {request.path}, Time: {end * 1_000 * 1_000 }μs")
    return response

# Routes and handlers are simple to define
@route("/", method="GET")
def root(request: HttpRequest) -> HttpResponse:
    context = Home.Context(
        request=request,
        selected=NavSelected.HOME,  # HTMX Powered!
    )
    return HttpResponse(
        Home(context).render(request),
    )


if __name__ == "__main__":
    run_server()

• ✅ Linux (x86_64)
• ✅ macOS (x86_64, ARM64)
• ❌ Windows (not yet supported)

Zig is a modern systems programming language that compiles to native machine code - the same performance class as C and Rust. While Python is interpreted at runtime, Zig code runs at native CPU speed with better safety than C and simpler syntax than Rust.

You write Python. Volt handles the performance.

Traditional Python web frameworks require external servers that add overhead and complexity:

Request → nginx → gunicorn → Django/Flask → Your Code

Volt eliminates the bottleneck:

Request → Volt (Zig) → Your Code

The result? Dramatically faster request routing, static file serving, and overall throughput - all while maintaining Python's developer-friendly syntax.

⚠️ Alpha Release - Volt is in early development. Core routing and middleware systems are functional, but this is not yet production-ready.

Working:

• HTTP server and request routing
• Custom middleware support
• Header handling
• HTTP/1 and HTTP/1.1
• Static file serving
• Built-in templating engine

Coming Soon:

• ORM integration
• Advanced middleware (CSRF, CORS, etc.)
• Production deployment tools

Volt is opinionated by design. Like Django, we believe in convention over configuration, but we take it further - why should you need to choose and configure a separate web server? Why should performance require switching languages or adding complexity?

Volt gives you the full stack in one package, optimized from the ground up.

Volt is in active development. Star this repo to follow progress.