François Beaune is the project founder and team leader of Appleseed, which is a render engine that is completely open source like Cycles or Luxrender. Appleseed is MIT-Licensed, which is probably the most liberal license in existance. It is availabe for Maya, Blender, Gaffer and other programs.
With the upcoming meshing capabilities the fluid particles in Blender will get a lot more possible use cases. We created a really big fluid particle scene and tested the cubesurfer addon for meshing.
When looking for references, textures, backgrounds or just inspiration online, image databases are the way to go. But many sites place restrictive licenses on their images. The most liberal and undoubtly best license is CC0 which allows you to do what you want with the images. We compiled a list of great resources for CC0 images.
Before joining the team at CG Masters, Aidy Burrows worked on several games of the Legos series at TT games, which is part of Warner Brothers Interactive Entertainment. in this interview, he talks about using Blender at his former workplace.
Volume scattering is used to create effects like smoke, dust, clouds, sun beams (a.k.a. god rays) and similar things. This tutorial will help you understand everything about volume scatter in Cycles and how to get the effects you expect from it.
Using the Animation Nodes addon, a typewriter effect in Blender has become a matter of minutes. Frederik Steinmetz shows you how to do it.
David Mcsween shows how to achieve a classic map travel effect using a path object in Blender and letting a camera follow the path. This is a real world production example.