Programmer Card features FTDI FT232RL USB to serial IC. It allows you to program cards like Carduino 328 which doesn't come with an onboard USB-to-Serial converter IC.
Longan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.