The LM78M05 is a three terminal (T0-220) 5V Voltage regulator that is capable of sourcing 500mA.
A 3.3V voltage regulator! AMAZING!
Look, it's another voltage regulator! Look at it go! Vroom, vroom! (They go vroom, right?)
The Dimension Engineering AnyVolt 3 Universal DC-DC Converter is an adjustable step up/step down 3A switching regulator.
The Dimension Engineering 5V switching regulator is a tight & tidy voltage regulator that offers great performance at an excellent price. Great for extending battery life!