4 Port USB C Hub 3 USB-A/1 USB-C 10Gbps - USB-C Hubs | StarTech.com
MPM 138114 PureFix USB C Hub, 7-in-1 Dual Type-C Adapter for MacBook Pro 13in 15in (Silver)
OWC Mercury Elite Pro FireWire, eSATA, USB3 to SATA 0GB Enclosure
Review: OWC Thunderbolt 3 dock is the only game in town for FireWire 800 | AppleInsider
Tripp Lite 3-Port USB-C Hub with LAN Port and Power Delivery, USB-C to 3x USB-A Ports and Gbe, USB 3.0, Black - Walmart.com
elago FireWire 400 to 800 Adapter (White) for Mac Pro, MacBook Pro, Mac Mini, iMac and All Other Computers - Walmart.com
FireWire 400 to 800 Adapter [2 Colors] – elago
Anker Usb C Hub,4-in-1 Aluminum Usb C Adapter With Ethernet Port,3 Usb 3.0 Ports,for Macbook Pro,chromebook,xps,samsung S9 Etc - Docking Stations & Usb Hubs - AliExpress
StarTechcom, HB31C3A1CS USB/Firewire Adapters
Amazon.com: StarTech.com 10-Port USB-C Hub - 8x USB-A/2x USB-C - Self-Powered w/65W Power Supply - USB 3.1 10Gbps - Desktop/Laptop USB Hub w/ USB-IF Certified 3ft Locking Cable, USB C Splitter (10G8A2CS-USB-C-HUB) :