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.

MySQL Horizontal Sharding Demo

This project demonstrates database sharding using PostgreSQL with multiple shards

Quick start a Dropwizard project with ElasticSearch and key-based database sharding 📟

A repo. consist readme's of system design terminologies.