Commodore 64 C16 C128 converter VGA for monitor/TV from CMD marketplace on Tindie
Amazon.com: M MAKETHEONE RCA to VGA Adapter, Composite AV S-Video RCA Input to VGA Female Output Converter, Transfer Video Graphic Signal from CCTV PC Laptop DVD DVR VCR TVBox to VGA Monitor
Ossc Open Source Scan Converter Hdmi-compatible Vga Adapter Rgbs Forps2/ commodore Amiga Cd32 Sx32 Pc Engine Game Console - Converters - AliExpress
Connecting two monitors to the Commodore 128 - Amedeo Valoroso