YouTube has more than just silly cat videos, this educational channel has tons of different lessons from various professors and teachers from very prestigious schools. A great tool if you're looking to sharpen your skills and learning something new

This is a great learning website that is completely free. They have various educational topics for all different age groups.

Various videos on differing topics that would be beneficial for learning children.

A wiki full of many different books that might not be available at the library.

A way for teachers and students to talk to each other via discussion and contribute to one another's ideas.

A fantastic tool to make a students PowerPoint presentation look a lot better than the default options Microsoft offers.