[OpenWrt Wiki] Submitting patches
https://openwrt.org/submitting-patches05.12.2021 · Patches to core packages and patches that add support for new devices(i.e. code that is in the main OpenWrt repository) can be submitted as a pull request on the GitHub mirroror via the mailing list. Patches for Luci web interface and related packagescan be submitted to mailing list or to the Github mirrorof the Luci git repository.
[OpenWrt Wiki] Opkg package manager
openwrt.org › docs › guide-userOct 03, 2021 · Opkg package manager Like most Linux distributions (or mobile device operating systems like say Android or iOS), the functionality of the system can be upgraded rather significantly by downloading and installing pre-made packages from package repositories (local or on the Internet).
[OpenWrt Wiki] Packages
https://openwrt.org/packages15.09.2021 · Packages The OpenWrt distributions provide several thousand packages to extend the functionality of your device. The browseable package lists in this wiki will always show packages available in the latest update of the stable release. Package database of 21.02
Gitee 极速下载/OpenWrt packages feed
https://gitee.com/mirrors/openwrtThe main repository uses multiple sub-repositories to manage packages of different categories. All packages are installed via the OpenWrt package manager called opkg. If you're looking to develop the web interface or port packages to OpenWrt, please find the fitting repository below.