Best Python Asynchronous Web Frameworks in 2025

GeniePy is a modern SaaS boilerplate codebase in pure Python.

Key GeniePy features:

User Management Stripe Payments SEO-optimized Blog Tailwind CSS

paid €129.0 / One-off

Create production-ready applications with zero code.

Key Modelence features:

Full-Stack JavaScript Framework Built-in Backend Services Simplified Deployment Rapid Prototyping and Development

Try for free freemium $9.0 / Monthly

This starter kit includes all the integrations you need to build a SaaS app fast!

Key Ship SaaS features:

User-Friendly Interface Scalability Integration Capabilities Cost-Effective

Build a Node.js & React app at warp speed with a SaaS boilerplate.

Key UseGravity.App features:

Ease of Use Rapid Development Integrated Features Scalability

The Pegasus SaaS boilerplate provides core features like user management, teams, subscription billing, APIs and more in a codebase that developers love.

Key SaaS Pegasus features:

Rapid Deployment Scalability Cost Efficiency Automatic Updates

A Python web framework and asynchronous networking library, originally developed at FriendFeed.

Key Tornado features:

Asynchronous Networking WebSockets Support Scalability Integrated with asyncio

Python 3.5+ web server that's written to go fast.

Key Sanic features:

Asynchronous Support Simple and Lightweight Easy to Learn Built-in Support for Websockets

FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.

Key FastAPI features:

High Performance Automatic Interactive API Documentation Type Checking and Validation Ease of Use

Open Source free

Build your MVP in six weeks.