Blender 2.8: Using IES profiles in Cycles • Blender 3D Architect
IES Texture Node — Blender Manual
IES Lighting in Blender | Blender Render Farm | Blendergrid
Chocofur Creating IES lights in Blender
Chocofur Chocofur IES 01 - Free Blender and Cycles IES 01 Light material created by Chocofur! Improve your interior visualization renderings using our Cycles shaders and textures.
Light textures/IES for Eevee — Right-Click Select