Getting Started with Spring Boot 3:

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.

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process …

Traccar GPS Tracking System

cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept f…

Bitcoin Wallet app for your Android device. Standalone Bitcoin node, no centralized backend required.

High performance non-blocking webserver

Add-ons for openHAB 1.x

Ultra-fast matching engine written in Java based on LMAX Disruptor, Eclipse Collections, Real Logic Agrona, OpenHFT, LZ4 Java, and Adaptive Radix Trees.

A Java library for technical analysis.

JasperReports® - Free Java Reporting Library

Holds all versioned WildFly quickstarts

ADempiere Business Suite ERP/CRM/MFG/SCM/POS done the Bazaar way in an open and unabated fashion. Focus is on the Community that includes Subject Matter Specialists, Implementors and End-Users.

A simple Bitcoin trading bot written in Java.

Spring Roo is a next-generation rapid application development tool for Java developers. It focuses on higher productivity, stock-standard Java APIs, high usability, avoiding engineering trade-offs …

Jmix framework

Java binding for ZeroMQ

Very simplified insurance sales system made in a microservices architecture using Micronaut

Google Drive FTP Adapter to connect to google drive through the FTP protocol

Apache Archiva Repository

A Simple Java Blockchain for educational purposes.

Data-driven automation platform

[retired] Open source e-commerce and marketplace platform on the JVM

Sample REST CRUD API with Spring Boot, Mysql, JPA and Hibernate

An analysis of a clean architecture implementation in a spring boot application.

NIST Biometric Image Software (Java Implementation)

Truly free, libre, and open-source light wallet for Android with support for multiple cryptocurrencies (Bitcoin, Ethereum, Litecoin, etc.)

A tool for recovering corrupted bitcoin wallet.dat files