It will include a BASIC as well as C from gcc, mBed and other sources.
Maybe more useful to this group, by adding a JTAG connector it can be downloaded with the CMSIS-DAP code and used as a serial wire/JTAG debugger. (it was on the bottom of this prototype, but will move to the top)
Jumpering that JTAG as a target will also allow program development in MCUxpresso, Keil and IAR.
A simple design brings out all the pins of the LQFP48 LPC11U37.