QT Modeler, by Applied Imagery, provides a variety of tutorials on their website via their YouTube channel.

A few popular tutorials are linked below:

• Quick Terrain Modeler Getting Started - 10 videos, starting with Lesson 1
• Cross Section Analysis Tool
• Grid Statistics - Statistics provide quality control (point density, z deviation, etc.) and other features such as automated feature extraction.
• Google Earth Integration
• Batch Scripting