GGLabs provides new goods for your retrocomputing needs. First, there is the GLink232, a UART cartridge (SwiftLink clone) for the C64 and C128. Let your computer communicate up to 38400 baud. Then there is the GLink-LT, user port RS-232 (VIC-1011a clone) for Commodore 8-bit computers, like the VIC-20, C64, and C128. With the GLink-LT, it is usable up to 2400 baud or can be reconfigured for up to 9600 baud.
Daniel Mackey has also produced his versions of the devices. They are the Link232 (SwiftLink clone with speeds up to 38.4K baud) and the ez232 (VIC-1011a clone with speeds up to 2400/9600 baud). The devices are completely assembled, tested, and then placed in anti-static bags for shipping.