Open source
Alternatives to Fastify
12 tools like Fastify, chosen by what they do. About Fastify
Open source
Elysia
TypeScript framework for Bun with end-to-end type safety
Backend FrameworksErgonomic Bun framework
Open source
Litestar
Typed Python ASGI framework with automatic OpenAPI docs
Backend FrameworksFast typed Python ASGI
Open source
Actix Web
Pragmatic, fast Rust web framework with typed extractors
Backend FrameworksPowerful Rust web framework
Open source
AdonisJS
Batteries-included TypeScript framework for Node.js apps
Backend FrameworksFull-featured Node MVC
Open source
Curated
Open source
Koa
Small Node.js web framework that uses async middleware
Backend FrameworksNext-gen Node web framework
Open source
Vapor
Server-side Swift framework for APIs, backends and websites
Backend FrameworksServer-side Swift framework
Open source
Open source
Ktor
Kotlin framework for async servers and HTTP clients
Backend FrameworksKotlin async server framework
Open source
Symfony
PHP framework and reusable components for web apps and APIs
Backend FrameworksReusable PHP components











