How to make Zigbee device

Hardware
1

I have many CC2530/CC25311 modules, I want to use them to make some Zigbee devices to control the light and so on. Is there any open source code(for CC2530/CC2531) on GitHub?

2

You can start with http://www.ti.com/tool/Z-STACK, but note that is not very easy

3

I just found this

4

Nice find.
Reading this make the hobbyist in me ecstatic.