All Algorithms implemented in Java

👨‍🎓 Java Core Sprout : basic, concurrent, algorithm

High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.

a proxy for sharding databases and tables

为企业提供「免费」表单问卷能力，「开箱即用」快速赋能业务 A questionnaire system that can be privatized and deployed - 填鸭表单问卷系统（tduck-survey-form）表单系统-问卷系统

HC is open source Property Management Software(saas)

DSL-driven RDBMS interface for Java.