hydro-dev / Hydro

Hydro - Next generation high performance online-judge platform - 新一代高效强大的信息学在线测评系统 (a.k.a. vj5)

judge0 / judge0

Robust, fast, scalable, and sandboxed open-source online code execution system for humans and AI.

zhblue / hustoj

Popular Simple Open Source Online Judge based on PHP/C++/MySQL/Linux for ACM/ICPC and NOIP training, with easy installation. 简单实用的开源OJ系统

SDUOJ / OnlineJudge

:sparkles: Open source online judge system (based on Microservice). SDUOJ 开源在线评测系统（基于微服务架构）。开源社区QQ群 808751832。示例网站 https://demo.sduoj.com