OpenGFW is a flexible, easy-to-use, open source implementation of GFW on Linux - Github

The solution installation manual:

https://github.com/apernet/OpenGFW

The Openwrt routers:

https://openwrt.org/toh/recommended_routers

https://openwrt.org/docs/guide-user/network/openwrt_as_routerdevice

You can find a router which is support Openwrt, then install OpenGFW on it. Since the OpenGFW is early development stage, use it carefully.

Reference:

https://gitee.com/opengfw

https://unwire.hk/2024/02/13/opengfw/tech-secure/

https://www.hkepc.com/22137/GitHub_%E5%87%BA%E7%8F%BE_OpenGFW_%E9%96%8B%E6%BA%90%E7%B3%BB%E7%B5%B1_%E6%A8%A1%E6%93%AC%E4%B8%AD%E5%9C%8B%E9%95%B7%E5%9F%8E%E9%98%B2%E7%81%AB%E7%89%86_%E8%AE%93%E6%B5%B7%E5%A4%96%E4%B8%AD%E5%9C%8B%E4%BA%BA%E6%9C%89%E5%9B%9E%E5%AE%B6%E7%9A%84%E6%84%9F%E8%A6%BA

https://www.routerfreak.com/best-openwrt-router/