UltiDraw

This asset is an easy-to-use and light-weighted drawing library for visualising lines, primitives, gizmos or GUI elements in edit mode and runtime.

Everything can be scripted straightforwardly inside the OnDrawGizmos (edit mode) and OnRenderObject (runtime) functions.

The following drawing features are implemented to allow visual customisation:
# Coloring
# Solid Objects
# Wire Objects
# Combined Wired (Solid+Wire) Objects
# Depth and X-Ray Rendering (Boolean Flag)
# Spatiality Shading (Parameter between 0 and 1)
# Curvature Shading (Parameter between 0 and 1)

The following drawing elements are so far implemented:
# Line (Variable Start and End Thickness)
# Circle
# Ellipse
# Arrow
# Grid
# Quad
# Cube
# Cuboid
# Sphere
# Ellipsoid
# Cylinder
# Capsule
# Cone
# Pyramid
# Bone
# Translate / Rotate / Scale Gizmos (Non-Interactable)
# Mesh
# GUI Line
# GUI Rectangle
# GUI Triangle
# GUI Circle
# GUI Function
# GUI Plotting Utility

If you require any further elements or functionalities for your projects, please let me know.