Swagger alternatives and similar libraries

Based on the "REST Frameworks" category.
Alternatively, view Swagger alternatives based on common mentions on social networks and blogs.

Retrofit

9.9 9.2 L1 Swagger VS Retrofit

A type-safe HTTP client for Android and the JVM
Dropwizard

9.2 9.5 L4 Swagger VS Dropwizard

A damn simple library for building production-ready RESTful web services.

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Feign

9.1 9.6 L4 Swagger VS Feign

Feign makes writing java http clients easier
Spark

9.0 0.0 L3 Swagger VS Spark

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin
rest.li

7.6 8.1 L1 Swagger VS rest.li

Rest.li is a REST+JSON framework for building robust, scalable service architectures using dynamic discovery and simple asynchronous APIs.
Apache CXF!

7.5 9.8 Swagger VS Apache CXF!

Apache CXF
RESTEasy

7.1 9.1 L3 Swagger VS RESTEasy

An Implementation of the Jakarta RESTful Web Services Specification
Rapidoid

6.5 0.0 L3 Swagger VS Rapidoid

Rapidoid - Extremely Fast, Simple and Powerful Java Web Framework and HTTP Server!
RestExpress

6.2 4.3 L4 Swagger VS RestExpress

Minimalist Java framework for rapidly creating scalable, containerless, RESTful microservices. Ship a production-quality, headless, RESTful API in the shortest time possible. Uses Netty for HTTP, Jackson for JSON, Metrics for metrics, properties files for configuration. Sub-projects and plugins enable, NoSQL, Swagger, Auth0, HAL integration, etc.
RAML

6.1 0.0 L5 Swagger VS RAML

RAML to HTML documentation generator.
Microserver

6.1 0.0 L5 Swagger VS Microserver

Microserver is a Java 8 native, zero configuration, standards based, battle hardened library to run Java Rest Microservices via a standard Java main class. Supporting pure Microservice or Micro-monolith styles.
Jersey

5.8 8.3 Swagger VS Jersey

Eclipse Jersey Project - Read our Wiki:
Restlet Framework

5.7 8.5 Swagger VS Restlet Framework

The first REST API framework for Java
Hexagon

4.8 9.3 Swagger VS Hexagon

DISCONTINUED. Hexagon is a microservices toolkit written in Kotlin. Its purpose is to ease the building of services (Web applications or APIs) that run inside a cloud platform.
RestX

4.5 7.0 L2 Swagger VS RestX

RESTX, the lightweight Java REST framework
Crnk

4.3 0.0 Swagger VS Crnk

JSON API library for Java
StubbornJava

4.0 0.0 Swagger VS StubbornJava

Unconventional Java code for building web servers / services without a framework. Think dropwizard but as a seed project instead of a framework. If this project had a theme it would be break the rules but be mindful of your decisions.
gemini

3.2 2.7 Swagger VS gemini

Cloud Native and Low Code Platform to create FullStack web Admin applications in minutes
Restler

2.0 0.0 Swagger VS Restler

Restler is a library that automatically generates a client for a web service at run time, by analyzing the respective annotated Spring controller interface
hateoflux

1.6 8.1 Swagger VS hateoflux

Lightweight HATEOAS java library designed for Spring WebFlux.