Sabrent USB 3.0 4-Port Hub with Individual Power Switches
Amazon.com: USB C Hub, USB Hub to HDMI Multiport AorZ USB C Dongle Adapter 7 in 1 with 4K HDMI Output,3 USB 3.0 Ports,SD/Micro SD Card Reader,100W PD,Compatible with MacBook Pro Air
USB-C Multi-Port Single Video Adapter and Card Reader with 100W PD Pass-Thru ACA953USZ
USB to serial RS232 adapter with two ports
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
Satechi Type-C Multi-Port Adapter V2-4K HDMI, Ethernet, USB-C, SD/Micro, USB 3.0 MacBook Pro, MacBook Air Space Gray ST-TCMA2M - Best Buy
Parallel Port To USB Adapter Cable for Printer - Walmart.com
Amazon.com: Plugable 2-in-1 USB Splitter with Dual USB 2.0 Ports, Compatible with Windows, Linux, macOS, Chrome OS, USB Multiport Hub for Laptops : Electronics
Startech 6 ft. (1.8 m) USB to Parallel Port Adapter (ICUSB1284) | Dustin.dk