美团点评集团统一使用的MySQL数据库访问层的中间件。主要提供对业务开发透明、读写分库、分库分表能力，并提供了端到端SQL监控的集成方案。
A sharding library for Django
Go package for sharding databases ( Supports every ORM or raw SQL )
Demo Application for Dubbo, Mycat, Sharding-Proxy, Seata, SkyWalking, PinPoint, ZipKin, Docker, Kubernetes, Istio, Postman/Newman, FitNesse
A simple and robust database sharding with ActiveRecord.
Database Sharding system for MYSQL and Postgres
Spring DDAL是基于spring AOP和AbstractRoutingDataSource实现了读写分离和分库分表功能，是一款轻量级的插件，简单易用、轻耦合，使用注解即可完成读写分离、分库分表。
Database Sharding Library for ActiveRecord
The Project Provides utilities to perform Sharding on MongoDB Database on Single Machine.
Quick start a Dropwizard project with ElasticSearch and key-based database sharding 📟
A repo. consist readme's of system design terminologies.