Design patterns implemented in Java

Free and Open Source, Distributed, RESTful Search Engine

APM, Application Performance Monitoring System

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 …

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

An API Gateway built on Spring Framework and Spring Boot providing routing and more.

LCN distributed transaction framework, compatible with dubbo, spring cloud and Motan framework, supports various relational databases

Survey System. 最好用的开源问卷调查系统、表单系统。