There are 2 repositories under openipc topic.
OpenIPC 1.0 (OpenWRT-based), not maintained anymore
Experiments with cheap Linux cameras
Experiments with OpenWrt + Hi35xx and other SoC's
Alternative IP Camera firmware from an open community
python-dvr - library for configuring a wide range of IP cameras that use the NETsurveillance ActiveX plugin XMeye SDK
U-Boot for gk7205v200 group SoC's
Firmware flash tool for Wyze cameras