This site is useful for free images students and teachers can use with multimedia projects. One huge issue I have to getting students and staff to not use copyrighted images, and this site helps because not only are there a of images, the images are beautiful.
This is a really fun quiz site where you can make your own quizzes and they are presented in trivia-game format. The faster students answer, the more points they get. They also use memes to make them funny and interesting for the students.
This is a very easy to use, ready-made curriculum for teaching coding. There are lots of different lessons using familiar characters, like Star Wars, Minecraft, Frozen, Angry Birds, etc.