swap_horiz Javalin Alternatives

1

Express

Express.js is a Node.js web application framework providing minimal infrastructure to build robust APIs and web applicat...

API Javascript Minimal Backend

9.2 Excellent

2

ASP.NET Core

ASP.NET Core is a free, open-source, cross-platform framework for building modern web applications, APIs, and real-time...

API Csharp Web Backend

9.1 Excellent

3

Spring Boot

Spring Boot simplifies Java application development by providing auto-configuration, embedded servers, and opinionated d...

Enterprise API Java Spring

9.0 Excellent

4

Flask

Flask is a lightweight Python web framework offering flexibility and control through its minimalistic core, allowing dev...

API Python Web Backend

8.9 Great

5

Spring Framework

Spring Framework is a Java-based platform providing comprehensive infrastructure for developing enterprise applications...

Enterprise Java MVC Backend

8.9 Great

6

Quarkus

Quarkus is an open-source Java framework designed for building cloud-native applications that offer fast startup times a...

Cloud Native Java Kubernetes Backend

8.7 Great

7

Fastify

Fastify is an open-source Node.js web framework focused on performance and developer experience, prioritizing speed thro...

Performance API Javascript Backend

8.5 Great

8

ASP.NET Web API

ASP.NET Web API is a Microsoft framework enabling developers to build RESTful web services and APIs using .NET, facilita...

Legacy Microsoft API Backend

8.4 Great

9

Ktor

Ktor is a Kotlin-based asynchronous framework for building connected applications—web servers, APIs, and clients—that pr...

Async Kotlin Web Jetbrains

8.3 Great

10

AIOHTTP

aiohttp is an asynchronous Python 3 web framework built on top of asyncio, enabling developers to create high-performanc...

API Async Python Backend

8.3 Great

11

hapi

Hapi is an open-source Node.js framework focused on building applications with emphasis on configuration, extensibility,...

Server API Javascript Backend

8.1 Great

12

Sinatra

Sinatra is a Ruby web application framework prioritizing developer simplicity and expressiveness by providing a lightwei...

Classic Ruby Web Backend

8.1 Great

13

Eclipse Vert.x

Eclipse Vert.x is a polyglot toolkit for building reactive applications on the JVM, utilizing an event-driven architectu...

Java Eclipse Toolkit Reactive

8.1 Great

14

Jersey

Jersey is an open-source Java programming language server designed for building scalable and resilient microservices arc...

API Rest Java Current

8.1 Great

15

Koa

Koa is a web application framework for Node.js, designed by the Express team to be smaller, more expressive, and modular...

API Javascript Middleware Backend

7.9 Good

16

Slim Framework

Slim Framework is a PHP microframework designed for building web applications and APIs with minimal dependencies and a f...

API PHP Routing Backend

7.4 Good

17

Bottle

Bottle is a lightweight Python web framework geared towards simplicity and rapid development, offering built-in routing...

API Single File Python Backend

7.2 Good

18

Grape

Grape is an open-source, visual programming framework enabling users to build DeFi applications and smart contracts by c...

API Rest Ruby Backend

7.2 Good

19

Spark Framework

Spark Framework is a Java web application framework providing lightweight building blocks for creating web applications...

Java Kotlin Routing Backend

6.9 Fair

20

Flight PHP

Flight PHP is a microframework for developing web applications and APIs in PHP, prioritizing speed and simplicity with a...

API PHP Routing Backend

6.6 Fair