¶ Blender (3D modeling, animation, etc.)

Blender is the free and open source 3D creation suite that supports modeling, rigging, animation, simulation, rendering, compositing and motion tracking, video editing, and 2D animation. Multiple videos on how to use Blender can be found on YouTube. A few are below.

Introduction to Blender

See the entire Introduction to Blender series.

A Beginners Guide to Animation in Blender

Animating Logos in Blender