Design patterns implemented in Java

Everything you need to know to get the job.

Free universal database tool and SQL client

Dex to Java decompiler

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Open-source IoT Platform - Device management, data collection, processing and visualization.

A high performance caching library for Java

An powerful enhanced toolkit of MyBatis for simplify development

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running mat…

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing …

A configuration as code language with rich validation and tooling.

CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, coreference, sentiment analysis, etc.

Feign makes writing java http clients easier

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

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Tiny, easily embeddable HTTP server in Java.

Catch common Java mistakes as compile-time errors

The modern Java bytecode editor

Digital logic design tool and simulator

Runtime code generation for the Java virtual machine.

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

Java implementation of JSON Web Token (JWT)

Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel …

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

Speech and Vision Based Intelligent Personal Assistant

The missing bridge between Java and native C++

Jodd! Lightweight. Java. Zero dependencies. Use what you like.

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead