TypeNameFormatter provides some extension methods that can be used instead of Type.ToString() to format a type's name the way it would look in C#:
* StringBuilder.AppendFormattedName(Type, [TypeNameFormatOptions])
See the README at the project's...
Big Book of Data Types is a collection of various data types including Vector3, Set, RingBuffer, PriorityQueue, Fractions, and DateSpan. It also includes a number of extension methods for types found already in .Net.