FastAPI — alternatives
Compare FastAPI with other curated Framework options. Each listing links to official sites and repos so you can evaluate them side by side.
85 in catalog
Alternatives to FastAPI
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ASP.NET Core
Build Modern Web Apps and Services with .NET
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Actix
A Powerful, Pragmatic Web Framework for Rust
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AdonisJS
The TypeScript-First Web Framework
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Agno
Build, Run, and Manage Agent Platforms
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Alpine.js
The Rugged, Minimal Framework for Composing JavaScript Behavior in Your Markup
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Angular
The Modern Web Developer's Platform
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Astro
The web framework for content-driven websites
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AutoGen
The Open-Source Framework for Multi-Agent AI
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Axum
A Web Framework Built on Tokio and Tower
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Blazor
Build Interactive Web UIs with C#
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Bootstrap
Powerful, extensible, and feature-packed frontend toolkit
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Capacitor
Cross-platform native runtime for web apps
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Claude Agent SDK
Build agents with Claude
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CodeIgniter
The small framework with powerful features
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CopilotKit
The React framework for AI copilots
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CrewAI
Streamline workflows across industries with powerful AI agents. Build and deploy automated workflows using any LLM and cloud platform.
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DSPy
Programming, not prompting
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Django
The Web Framework for Perfectionists with Deadlines
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Echo
High Performance, Extensible Go Web Framework
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Effect
Reliable TypeScript for the AI era
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Electron
Cross-platform desktop apps
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Elysia
Bun-first ergonomic backend
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Expo
The framework for universal React apps
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Express
Fast, Unopinionated, Minimalist Web Framework for Node.js
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FastMCP
The framework for MCP
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Fastify
Fast and low-overhead Node framework
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Fiber
An Express-inspired web framework written in Go
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Flask
The Python micro framework for building web applications
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Flutter
Build apps for any screen
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Fresh
The next-gen web framework
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Gin
A HTTP Web Framework Written in Go
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Google ADK
Agent Development Kit
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HTMX
High power tools for HTML
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Hapi
A rich framework for building applications and services
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Hono
Ultrafast, any runtime
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Hotwire
HTML over the wire
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Hydrogen
Shopify's React stack
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Ionic
Build high-quality mobile and desktop apps
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Koa
Expressive middleware for node.js
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Kotlin Multiplatform
Share code across platforms
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LangChain
A framework for building applications powered by large language models (LLMs).
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LangGraph
Build Stateful, Multi-Actor AI Applications
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Laravel
The PHP Framework For Web Artisans
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LeRobot
Real-world machine learning
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Letta
Agents with memory, by design
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Lit
Simple. Fast. Web Components.
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LlamaIndex
The Data Framework for LLM Applications
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Magento
The enterprise open-source commerce platform
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Mastra
The TypeScript AI framework
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Medusa
The composable commerce engine
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Microsoft Agent Framework
Microsoft's unified agent framework
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Mojolicious
Web development can be fun again.
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NestJS
A Progressive Node.js Framework
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Next.js
The React Framework for Production
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Nuxt
The Intuitive Vue Framework
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OpenAI Agents SDK
Build agents with the OpenAI stack
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Pest
A Delightful PHP Testing Framework
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Phoenix
Productive. Reliable. Fast.
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PrestaShop
The open-source e-commerce solution
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Pydantic AI
AI Agent Framework, the Pydantic Way
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Quarkus
Supersonic Subatomic Java
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RAGFlow
Build a superior context layer for AI agents
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React
The library for web and native user interfaces
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React Native
Learn once, write anywhere
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RedwoodJS
The Full-Stack Framework for Startups
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Remix
Build Better Websites with Modern Web Standards
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RippleTS
The elegant TypeScript UI framework
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Rocket
A web framework for Rust
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Ruby on Rails
A Full-Stack Web Framework for Ruby
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SST
Everything your app needs, one config
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Saleor
GraphQL-first commerce
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Sinatra
A DSL for quickly creating web applications in Ruby
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Smolagents
A Simple Framework for Building AI Agents
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SolidJS
A declarative JavaScript library
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SolidStart
SolidJS meta-framework
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Spring Boot
Build Cloud-Native, Production-Ready Java Applications
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Strands Agents
From model to production agents
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Svelte
Cybernetically Enhanced Web Apps
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SvelteKit
The Official Full-Stack Framework for Svelte
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Symfony
The Modern PHP Framework
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Tailwind
A Utility-First CSS Framework for Rapidly Building Custom Designs
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TanStack Start
Full-stack React, fully typed
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Tauri
Tiny, secure desktop apps
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VoltAgent
The TypeScript agent framework
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Vue.js
The Progressive JavaScript Framework
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