The software's sole purpose is to keep the speakers and performers on time according to TED event standard. However, you can also use for other non-TED events to suit your taste, feel free to pull your requests as I promise to improve on this rudimentary version
Check out the demo: https://drive.google.com/file/d/1vElOCiLnm0JccToHmZOz_X0sgDN_n4Fr/view?usp=sharing