This website has great tutorials and even a scientific calculator. There also are other great useful tools like math rubric generators and an online graphing calculator. It goes from levels algebra to trigonometry and even area with helpful websites in general math.
Video Toolbox is another tool that is very helpful with editing videos. It allows you to upload your own files and create the video. This site also has tutorials if you run into any trouble.
Wylio is an image search engine that helps bloggers and others alike search for quick and easy-to-use images under the creative commons licence. It also make citing a breeze by giving the image code to you with the attribution built in.
For students, teachers, these 340+ games and websites are organized by topic - history, government, geography, states, explorers, cultures, world organizations and religions. There are project ideas, activities for kids, lessons for teachers and information to help kids with research.
ESPN sports science shows you an inside scoop on the science in every sport. They show real athletes and sometimes test on them. Like for example they once hyped sugar into a football player to see if it either help or hurt him when he plays.