If you want a tool to re-light scenes with more plausible surrounding lighting, Skyglass is a great option. It also offers AI relighting as a beta feature, among other powerful options like AI background removal and manual camera control. Skyglass lets you generate 360-degree AI backgrounds in real time with Unreal Engine technology, so it's geared for content creators and pros.
Another tool worth checking out is SwitchLight, an AI image enhancement tool that can copy lighting from one photo and apply it to portrait photos. It comes with tools like Copy Light, HDRI Relight and PBR Material Acquisition that could be useful to photographers, graphic designers and 3D modelers trying to get realistic lighting in their models.
If you want instant lighting changes you can customize with new AI technology, check out InstantLight. It lets you move lighting around and edit it, adjust brightness and position, and offers a variety of lighting presets. It's good for e-commerce, marketing and other creative uses where realistic lighting can make a big difference in making products look good.