GoReact is a web tool developed at Brigham Young University that allows students and instructors to evaluate, record and share video.  

Main features include:

• Real-time commenting
• Critiquing of uploaded clips 
• A customized grading rubric for instructors that establishes scoring parameters
• Live recording via a webcam
• Offline recording uploaded from cell phones and cameras (and clips from sites such as YouTube)
• Downloading recordings made within the tool (for instructors.)