apache / casbin-jcasbin

An authorization library that supports access control models like ACL, RBAC, ABAC in Java

mateaix / matecloud

🔥MateCloud是一款基于Spring Cloud Alibaba的微服务架构。目前已经整合Spring Boot 4.0.8、 SpringCloud 2025、Spring Cloud Alibaba 2025、Spring AI 2.0.1、Spring Security Oauth2、Feign、Dubbo、JetCache、RocketMQ等，支持多租户的低代码平台，Saas平台开发套件

aliyun / aliyun-openapi-java-sdk

The Alibaba Cloud V1.0 SDK will soon enter the Basic Security Maintenance phase and is no longer recommended for use. V2.0 SDK is available here: https://github.com/aliyun/alibabacloud-java-sdk

ViaVersion / ViaBackwards

Allows older clients to connect to newer server versions for Minecraft servers.