Respondus is a software company that specializes in developing tools for online education. Their primary product, Respondus LockDown Browser, is designed to secure online exams by preventing students from accessing other applications or websites during a test. This helps maintain academic integrity in virtual learning environments. In addition to the LockDown Browser, Respondus offers Respondus Monitor, which uses webcam technology to monitor students during online exams. Together, these tools provide educators with solutions to create a secure testing environment, ensuring that assessments are fair and reliable in online courses.