The best alternatives to XR Tools are Gravity Sketch, LiveTour, and VR Sketch. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of XR Tools?
Intercom for Startups— Advanced AI-powered features at a 90% discount
Easily create 3D forms using volumetric shapes. Model with intuitive tools that allow you to explore variations of expression and add detail as you sculpt.
Ideal Reality is home to a curated set of resources that you would need to start your journey as a creator/designer into the realm of augmented, virtual reality and other sister technologies.