Thinkercad is a free open source web-based tool that allows users to learn to design the products of their life. Students will be able to easily design in 3D what they have always dreamed of, but never thought possible. Until now. This is a fantastic tool to introduce real-world fabrication skills that teach student that that they can learn by doing. Tinkercad also has a growing community that helps users learn how to create their first real things in just a few minutes. A great tool!
Infogram is an amazing new web tool for creating infographics quickly and easily. The tool is very simple to use and offers a whole host of unique WYSIWYG editing options from dragging content around to in-tool data table formatting. This is sure to be a popular site as inforgraphics continue to grow in popularity. The site is free, robust, and going to be getting some more customized features and more templates soon. Looks like a great place for teachers and students to play with the art of visual explanation.