There are 3 repositories under shadowsocksr-plus topic.
swrt helloworld ShadowSocksR Plus 科学上网, api1.5
OpenWrt 21.02 for ZTE B860H and FiberHome HG680P | This script is taken from ophub
Anti-censorship firmware, based on OpenWrt(en).
My OpenWRT with additional packages and config, based on Lean's OpenWrt source