Open source
Ktor
Kotlin framework for async servers and HTTP clients
Backend FrameworksKotlin async server framework
Alternatives to Vapor
12 tools like Vapor, chosen by what they do. About Vapor
Open source
Open source
Open source
Actix Web
Pragmatic, fast Rust web framework with typed extractors
Backend FrameworksPowerful Rust web framework
Open source
Elysia
TypeScript framework for Bun with end-to-end type safety
Backend FrameworksErgonomic Bun framework
Open source
Sinatra
Lightweight Ruby framework for building web apps and APIs
Backend FrameworksTiny Ruby DSL framework
Open source
Koa
Small Node.js web framework that uses async middleware
Backend FrameworksNext-gen Node web framework
Open source
Flask
Lightweight Python WSGI framework for web apps and APIs
Backend FrameworksLightweight Python framework
Open source
Open source
Fastify
Fast Node.js web framework with schema validation and plugins
Backend FrameworksFast low-overhead Node server
Curated
Open source
Play Framework
Java and Scala web framework with a stateless, async design
Backend FrameworksScala and Java web framework