LIFX: Do you need a hub?

All of the LIFX lights use Wi-Fi network, there’s no need for a separate hub. There is a downside to not having a hub, though. First, if you want to use Apple Home Kit, each product has to be individually added to the Home app; with a hub, you just add that, and all connected bulbs are added automatically.

There’s a software solution:

I haven’t tried it, but in effect, you’re just creating your own hub.