Open-source Windows and Office activator featuring HWID, Ohook, TSforge, and Online KMS activation methods, along with advanced troubleshooting.

A new way of working with JSON documents without using model classes or JSON schemas

Conductor is an event driven agentic orchestration platform providing durable and highly resilient execution engine for applications and AI Agents

Fault tolerance and resilience patterns for the JVM

A lightweight Java based orchestration engine

AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.

Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java

Improving Spring Boot test efficiency

Production-grade engineering skills for AI coding agents.

Kafka-based message queue

JSON to JSON transformation library written in Java.

Fast, lightweight, and RFC 4180 compliant CSV library for Java. Zero dependencies, ~90 KiB. Trusted by Apache NiFi, JUnit, and Neo4j.

A curated list of awesome open source workflow engines

Sample code that demonstrates how to implement the bucket priority pattern

Library to support priority queuing in Kafka

lightweight connection pooler for PostgreSQL

Oracle DB Skills is a curated library of 100+ practical, documentation-backed guides for working with Oracle Database, organized by domain

Parallel Apache Kafka client wrapper with per message ACK, client side queueing, a simpler consumer/producer API with key concurrency and extendable non-blocking IO processing.

Apache Kafka is an open-source distributed event streaming platform used by thousands of companies. uForwarder aims to address several pain points while using Apache Kafka for pub-sub message queue…

Daemon for easy but powerful stats aggregation

Write professional-grade skills for agents, validate them using LLMs, and maintain a lean context window.

Experimental JFR parser

SkillsBench evaluates how well skills work and how effective agents are at using them

The natural database connection pool

Fast. Easy. Done. Processing spreadsheets without worrying about large files causing OOM.

Benchmarks of Spring Boot REST service comparing Java 21 Virtual Threads (Project Loom) with WebFlux (Project Reactor).

Static file serving and directory listing