Brograph's Lighting Plugin for C4D Octane Users. The elusive spotlight that every Octane user would love to have, preset gobos, viewport features including lighting, shadow, and color temperature feedback when using Open GL. QIKSKY for lighting a modeling project without missing a beat. A softbox, a ring light with multiple bulb options, a customizable Octane Cyc, and an IES tester to quickly see look options. 

*Requires a copy of Octane Standalone and Octane Plugin for C4D.