Gradescope

gradescope.com

Gradescope enables instructors to grade paper-based assignments online in half the time, for free. Their product has already been used to grade over 3 million pages of work belonging to over 30,000 students at over 100 schools. The company's mission is to enable data-driven education for teachers and students while being backwards compatible with paper. Founded in 2014, the company is headquartered in Berkeley, California, United States.