Make an Interactive Timeline with Tiki-Toki

Depending upon what you teach, making an interactive timeline might be useful for your students. Tiki-Toki has a free version that can help you create an interesting timeline.
The short video below explains more

It might also be great for student projects.

Real Time Image Search

Interesting application- NachoFoto. You can search for images based on how recent they are. You will see new images before older ones.