Native Union Smart Hub Bridge
A high-speed 4-port USB charger with two AC outlets and an 8-foot extension, all in a retro-style package.
Anker PowerPort 6 USB Wall Charger
6 ports pump out 60 watts of power, enabling simultaneous multi-device charging.
HyperDrive: Thunderbolt 3 USB-C Hub for 2016 MacBook Pro [Kickstarter]
A compact adapter that adds HDMI output, two USB-A slots, microSD and SD card slots, a Thunderbolt 3 port, and a USB-C port. No more dongles!
Satechi Aluminum Clamp USB Hub
Clamps onto a 2012-or-later iMac and provides four front-facing USB 3.0 slots.