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

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

Java DSL for easy testing of REST services

Leading free and open-source face recognition system

Java wrapper for the popular chat & VOIP service: Discord https://discord.com

Library for OpenAPI 3 with spring-boot

Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.

🔥 Java enterprise application development framework for full scenario: Restrained, Efficient, Open, Ecologicalll!!! 700% higher concurrency 50% memory savings Startup is 10 times faster. Packing 90% smaller; Compatible with java8 ~ java24. (Replaceable spring)

Confluent Schema Registry for Kafka

Get information about countries via a RESTful API

Example project showing how to build a Spring Boot App providing a GUI with Vue.js

Discord4J is a fast, powerful, unopinionated, reactive library to enable quick and easy development of Discord bots for Java, Kotlin, and other JVM languages using the official Discord Bot API.

Elassandra = Elasticsearch + Apache Cassandra

A Java wrapper to run Spring, Spring Boot, Jersey, and other apps inside AWS Lambda.

An open source, free, high performance, stable and secure Java Application Business Platform of Project Management and Document

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.

(Official) The DSpace digital asset management system that powers your Institutional Repository

A simple Bitcoin trading bot written in Java.

Instant REST, GraphQL and Websockets APIs for MongoDB

Swagger Spec to Java POJOs