Padlet is an online interactive board. It's useful to make presentations of  any kind. It's very user friendly, ideal to use ask our students to use them.

Kahoot is an online website to create activities (multiple choise, true or false) in groups. Students feel they're playing a game.  It's ideal to revise new topics or to test their knowledge at the end of a unit, for example.

Wordwall is an interactive online webpage full of diferent ways of approaching any topic or do a revision, too.  Many activities are like games. 

Quizziz is an online learning platform that offers multiple tools to make a classroom fun, interactive and engaging for students. It's very similar to Kahoot.