Tips
Wrong Import Settings are Killing Your Unity Game – Part 1
Accessing Your Unity Game Logs
How to customize Unity script templates
Rendering custom GUI on Scene view
Hide or lock layer in Scene window
Executing Custom Scripts from Unity's Menu
Hold the Alt button to expand or collapse the Hierarchy
You can search your scene objects by component’s type
Profiling Unity Application with Profiler Samples
You can switch your Inspector into the debug mode
Custom gizmos with OnDrawGizmos