A Web Whiteboard is touch-friendly whiteboard app that lets you use your computer, tablet or smartphone to easily draw sketches, collaborate with others and share them with the world.
Works on all modern browsers, no installation needed.
"PBS LearningMedia™ is your destination for easy, instant access to thousands of classroom-ready, digital resources including videos and interactives perfect for the Interactive Whiteboard, plus audio and photos, and even in-depth lesson plans. You can search, save, and share with ease. Best of all, PBS LearningMedia™ is free for educators. "