Canispater Christmas: https://www.youtube.com/c/CanispaterChristmas
A great vlog by Jeff Lacey. He also has a complete start-to-finish Udemy course available. A great place to start learning about this amazing hobby.
Learn Christmas Lighting: https://learnchristmaslighting.com/
David Henry is a stage lighting specialist who also has a passion for Holiday lighting. He has some great instructional videos on YouTube as well as the LCL Academy.
xLights is a free and open source program that enables you to design, create and play amazing lighting displays through the use of DMX controllers, E1.31 Ethernet controllers and more.
AusChristmasLighting 101: https://auschristmaslighting.com
Hands down, the best introductory manual on this hobby. The download is free, but you must register to receive it.
RGB Pixel Light Power Calculator: http://spikerlights.com/calcpower.aspx
John Spiker's online power calculator. An absolute MUST in this hobby!
Don't feel like pushing your own pixels? Let Kyle Campbell help you out! He provides ready-to-run props, filled with RGB2Go pixels!