Design patterns implemented in Java

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

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

A programmer-oriented testing framework for Java — ⚠️ maintenance mode

These are the sample Bounded Contexts from the book "Implementing Domain-Driven Design" by Vaughn Vernon: http://vaughnvernon.co/?page_id=168

Twitter4J is an open-source Java library for the Twitter API.

Java (and original) version of Hamcrest

Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.

FIDO2(WebAuthn) server officially certified by FIDO Alliance and Relying Party examples.

A most easily usable Facebook API wrapper in Java.

Patterns of Enterprise Application Architecture REIWA edition

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