THE GLOBAL DEFENSE INITIATIVE

Command & Conquer 4 is not cannon and doesn't exist. The C&C timeline ends after the events of Kane's Wrath.

Tiberium Essense and addons for it:
https://www.moddb.com/mods/tiberium-essence

Tiberium Crisis:
https://www.moddb.com/mods/tiberium-crisis - latest version download is in their discord