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url: /reference/showcase/who-is-using.md
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# Who is Using CosId

## Open Source Projects

* [ShardingSphere](https://github.com/apache/shardingsphere): Distributed SQL transaction and query engine for data sharding, expansion, encryption, etc. on any database
* [Wow](https://github.com/Ahoo-Wang/Wow): Modern responsive CQRS architecture microservice development framework based on DDD & EventSourcing
* [CoSky](https://github.com/Ahoo-Wang/CoSky): High-performance, low-cost microservice governance platform
* [CoSec](https://github.com/Ahoo-Wang/CoSec): Multi-tenant responsive security framework based on RBAC and policies
* [CoCache](https://github.com/Ahoo-Wang/CoCache): Distributed consistent secondary cache framework
* [Simba](https://github.com/Ahoo-Wang/Simba): Easy-to-use, flexible distributed lock service

## Companies

* [买道传感网](https://www.51mydao.com)