Open source
Ktor
Kotlin framework for async servers and HTTP clients
Backend FrameworksKotlin async server framework
Alternatives to Play Framework
12 tools like Play Framework, chosen by what they do. About Play Framework
Open source
Quarkus
Java framework for fast, cloud-native apps with live reload
Backend FrameworksSupersonic Java framework
Open source
Elysia
TypeScript framework for Bun with end-to-end type safety
Backend FrameworksErgonomic Bun framework
Open source
Open source
Spring Boot
Java framework for stand-alone, production-ready Spring apps
Backend FrameworksStandard Java app framework
Open source
Vapor
Server-side Swift framework for APIs, backends and websites
Backend FrameworksServer-side Swift framework
Open source
Phoenix Framework
Web framework for Elixir apps, APIs and real-time pages
Backend FrameworksProductive Elixir framework
Open source
Koa
Small Node.js web framework that uses async middleware
Backend FrameworksNext-gen Node web framework
Open source
Open source
Symfony
PHP framework and reusable components for web apps and APIs
Backend FrameworksReusable PHP components
Open source
ASP.NET Core
Open source web framework for C# apps, APIs and interactive pages
Backend FrameworksMicrosoft's web framework
Open source
Sinatra
Lightweight Ruby framework for building web apps and APIs
Backend FrameworksTiny Ruby DSL framework