Free tools
These are free and they always will be. There is no account, no sign up and no time limit. Open one and use it.
Classroom timer
A big countdown you can read from the back of the room.
Let the Donut Decide
A spinner wheel for picking a student, a team or a topic.
Class scoreboard
Keep team points on screen. Subscribers can save the scores.
They are built for a classroom PC or a TV, so the text is large enough to read from the back of the room.