Mentimeter allows you to get students involved in the classroom.  It would be a great technique for hybrid/flipped classrooms.  

How It Can Be Used:  Instructors can assess understanding of topic or content.   These can be for the muddiest point, entrance/exit tickets, an anonymous place for questions, etc.   All of the following are options for questions.  Students may use their cell phones to access.

1. Poll

2. Multiple choice questions

3. Short answer questions 

4. Rating questions

5. Word cloud

6. Games

7. 2X2

8. Quick Forms

9. Pin-on image

For more information about how to use this in your classroom, see slides 11-16 on Faculty Summit Google Slide Presentation

COST:  Mentimeter is free for college instructors, but the free version only allows 2 questions in one poll.  (Solution:  make several polls)

LOCATION:  https://www.mentimeter.com/