You can find them here:
EVO 4G Android Development - xda-developers
igotsanevo4g made a thread that outlines some of the more popular ROMs and Kernels.
http://forum.androidcentral.com/htc...hacks/61188-evo-rom-kernel-goodies-bible.html
This is worth a read.
You can find them here:
EVO 4G Android Development - xda-developers