When you’re looking to do something interesting with your class, the internet is the first place that most of us turn for help. Our friend the internet holds the keys to textbooks, web tools, teaching guides, lesson plans, apps, and more. But how do you know what’s free for using vs. free for changing, adapting to your needs, and building upon? That’s a harder question to answer.

Thanks to this infographic from the Center for Open Educational Resources and Language Learning (at the University of Texas at Austin), your path to finding useful, openly licensed educational resources just got a little easier. Read on for some great ideas!