We currently have one tutorial for libGDX and PhysicsEditor.Tutorials for other frameworks are available from the tutorials list.
This tutorial is for libGDX beginners, explaining how to create sprite sheets, use sprites in your game and add game physics.
You may find these tutorials useful as they also discuss using libGDX with our other gamedev tools.
Free tutorial: Learn how to use sprite sheets & animations with libGDX, speed up startup of your app, reduce download size. Full demo source code included.