Source Revitalize a project aimed at turning source 1 into source 2 partily, based on vance source code
Credits:
City 17 Episode One: (https://github.com/KyleGospo/City-17-Episode-One-Source) For some of the postprocessing effects like Vignetting,Chromatic Aberation, etc
Vance: (page was taken down by new owners of vance but heres backup: https://archive.org/details/vance-src-master) For most of the graphical features like csm, pbr and more
Downfall: (https://github.com/DownFall-Team/DownFall) for Sunrays (Doesnt work yet) and some other things from their repo
Mapbase: (https://github.com/mapbase-source/source-sdk-2013) for some of the code, mainly mapbase 1.0 related code like a few entities
VDC: (https://developer.valvesoftware.com/wiki/Main_Page) For some of the fixes/features on the programming page of Source 1
Insolence: (https://github.com/95Navigator/insolence-2013) For guideance on porting some of the c17 ep1 shaders along with some code from their repo
Yeah right programmer for some help https://github.com/YeahRight66
Valve: For making the sdk and giving us the community the tools to make this