Here is a good site with multiple tools (uses Flash) for the classroom:
Classroom Jeopardy: Create Jeopardy games for the classroom
Speed Match Quiz Maker: Drag and drop answer onto the correct question to clear the board
Who Wants to Be a Millionaire?
Board Game: Allows up to 6 players or teams to race their way to the end of the board.
Seating Chart Maker
Random Name Generator
Split Flap Counter: Quick timer or countdown for classroom
USA Population Counter: up-to-date numbers
Flash Lottery: Probability
Random Fact Desk: Need trivia?
Classroom Update (website making)