Design patterns implemented in Java

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Spring Framework

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

IntelliJ IDEA & IntelliJ Platform

A high performance caching library for Java

Vert.x is a tool-kit for building reactive applications on the JVM

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

Native Operating System and Hardware Information

A scalable, distributed Time Series Database.

Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.

Maxwell's daemon, a mysql-to-json kafka producer

Java MQTT lightweight broker

Java annotation-based framework for parsing Git like command line structures

Splitet is a Java based Event Sourcing framework which can be benefited by the teams who are planning to make CQRS transitions with minimum learning curve and ease of adaptation.

Riemann Java Client

A java simulator/parser/toolkit for the Dutch Smart Meter Requirements (DSMR)