Tutorials
Web
Tsumiki Tech TImes (Japanese)
A Gentle Introduction to Shaders (English)
C# and Shader Tutorials (English)
Tutorials by Alan Zucconi (English)
Ronja's Shader Tutorials (English)
Metaball Tutorial (English)
Video
Writing your first shader in Unity (English)
Unity Tutorial: A Practical Intro to Shaders by quill18creates (English)
World of Zero (Youtube Channel) (English)
Peer Play (Youtube Channel) (English)
Shader Development from Scratch for Unity with Cg (Udemy) (English)
Coding in Unity: Introduction to Shaders (Udemy) (English)
A Crash Course to Writing Custom Unity Shaders! (Youtube) (English)
Unite 2015 - Writing Shaders (Youtube) (English)
Developing Custom Shaders in Unity (Pluralsight) (English)