Typescript

TypeScript is a su­per­set de­vel­oped and main­tained by Microsoft. It is a strict syn­tac­ti­cal su­per­set of JavaScript and adds op­tional sta­tic typ­ing to the lan­guage. TypeScript is de­signed for the de­vel­op­ment of large ap­pli­ca­tions and transcom­piles to JavaScript. Text from Wikipedia

Projects built with Typescript: