Blender is a free and open source 3D animation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation.
AutoCAD- By Auto desk Industry standard/leader for manufacturing and tooling. The most accurate technical modeler. It has high precision for tooling and CNC use, with dynamic history that allows changes to be made to details at any point in modeling and have the rest of the part re-adapt to the changes. Also alloys for accurate computer simulations based on material properties. Example: used for earthquake testing a building in the computer or crash a digital car.
An introduction to coding for complete beginners, this friendly and accessible book will teach children the basics of Scratch (a free, online program developed by MIT which is widely used in elementary schools), allowing them to get inside the code of their computer and create simple games and animations on screen.