Java OpenAPI

Open-source Java projects categorized as OpenAPI

Top 20 Java OpenAPI Projects

  • openapi-generator

    OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

  • Project mention: Which tricks do you use to write less code? | news.ycombinator.com | 2024-05-10

    I found some "tricks" to write less code, hence less code to maintain if there are any changes. Also less code with bugs just by changing the inputs.

    For example, OpenAPI spec file + OpenAPI generator (https://github.com/OpenAPITools/openapi-generator). Any changes in the OpenAPI spec are reflected in the final code with a build step.

    Another example: MapStruct (https://mapstruct.org/) to avoid passing data from Entity classes to DTO and back. Saves looots of boilerplate code.

    Which are your tricks?

  • swagger-core

    Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo
  • springfox

    Automated JSON API documentation for API's built with Spring

  • Light-Java

    A fast, lightweight and more productive microservices framework

  • springdoc-openapi

    Library for OpenAPI 3 with spring-boot

  • Project mention: Creation and Usage of BOM in Gradle | dev.to | 2024-01-07

    The issue is that the springdoc-openapi BOM brings an old version of the Spring Framework 6.0, which is incompatible with Spring Boot 3.2. There are several ways to solve this problem: update springdoc, change the order of BOM imports, but the best, in my opinion, is to avoid using the io.spring.dependency-management plugin.

  • Swagger Plugin for JetBrains

    A plugin to help you easily edit Swagger and OpenAPI specification files inside IntelliJ IDEA

  • cats

    CATS is a REST API Fuzzer and negative testing tool for OpenAPI endpoints. CATS automatically generates, runs and reports tests with minimum configuration and no coding effort. Tests are self-healing and do not require maintenance. (by Endava)

  • Project mention: Ask HN: What Underrated Open Source Project Deserves More Recognition? | news.ycombinator.com | 2024-03-07
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  • openapi-diff

    Utility for comparing two OpenAPI specifications.

  • Project mention: Using OpenAPI to Detect Breaking Changes in tRPC | dev.to | 2023-10-16

    Introducing our star player for detecting breaking changes: OpenAPI Diff. The good news? You can fire it up locally with Docker. Here’s how:

  • spring-petclinic-rest

    REST version of the Spring Petclinic sample application

  • grpc-swagger

    Debugging gRPC application with swagger-ui.

  • znai

    Build functional, maintainable, beautiful User Guides with markdown and Znai plugins. Instant pages navigation. Local search. Multiple integrations to work with Python, Java, C++, OpenAPI, etc. Transform "getting started" sections into slideshow for your workshops. Manage multiple documentations with self-deployed znai hub.

  • swagger-petstore

  • Project mention: How to Automatically Consume RESTful APIs in Your Frontend | dev.to | 2024-01-25

    Now, we can start our server and visit the Swagger UI at http://localhost:port/documentation. The documentation will be empty for now, but we will add our endpoints later on. You can also have a look at how the Swagger UI looks in the Swagger's online demo.

  • tcases

    A model-based test case generator

  • RESTest

    RESTest: Automated Black-Box Testing of RESTful Web APIs

  • proteus

    Proteus is a blazing fast minimalist Java web server framework built atop Undertow. (by noboomu)

  • openapi-json-schema-generator

    OpenAPI JSON Schema Generator allows auto-generation of API client libraries with a focus on JSON schema given an OpenAPI document

  • Project mention: OpenAPI JSON Schema generator v3.0.0 released | news.ycombinator.com | 2023-08-17
  • oauth1-signer-java

    Zero dependency library for generating a Mastercard API compliant OAuth signature.

  • MicrostarterCli

    A Simple tool that generates Micronaut Components

  • docserver

    Merge and Serve OpenAPI/Swagger Documents

  • openapi-spring-generator-example

    Example for dev.to article

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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Java OpenAPI related posts

  • Yet Another REST API Fuzzer

    1 project | news.ycombinator.com | 20 Oct 2023
  • OpenAPI JSON Schema generator v3.0.0 released

    1 project | news.ycombinator.com | 17 Aug 2023
  • CWE Top Most Dangerous Software Weaknesses

    4 projects | news.ycombinator.com | 13 Jul 2023
  • OpenAPI in a serverless repo

    2 projects | /r/node | 10 Jul 2023
  • It's 2023. Your API should have a schema

    2 projects | /r/programming | 9 Jul 2023
  • Question regarding how to find projects on GitHub to help out writing API documentation for

    1 project | /r/github | 30 May 2023
  • Looking for an alternative to NSwag

    2 projects | /r/dotnet | 18 May 2023
  • A note from our sponsor - SaaSHub
    www.saashub.com | 16 May 2024
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Index

What are some of the best open-source OpenAPI projects in Java? This list will help you:

Project Stars
1 openapi-generator 20,021
2 swagger-core 7,348
3 springfox 5,902
4 Light-Java 3,603
5 springdoc-openapi 3,110
6 Swagger Plugin for JetBrains 1,161
7 cats 1,099
8 openapi-diff 753
9 spring-petclinic-rest 439
10 grpc-swagger 412
11 znai 237
12 swagger-petstore 222
13 tcases 205
14 RESTest 202
15 proteus 185
16 openapi-json-schema-generator 123
17 oauth1-signer-java 43
18 MicrostarterCli 16
19 docserver 3
20 openapi-spring-generator-example 0

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