"Lucidchart is the best free learning tool you’ve never heard of. It’s an online diagramming tool that’s easy to use and supported by a for-profit company, so you don’t have to worry about us disappearing once you’ve built your lesson plans around us.
Not sure how to use a diagramming program in your classroom? Here are 10 ideas from teachers and professors who are already using Lucidchart."
Via Beth Dichter