SunShine 3 is a bootloader unlock/s-off tool for Modern HTC And Motorola devices, it is a commercial product and costs $25usd. http://theroot.ninja
and lots more
All 2013 Moto G, MotoX and Droid series with Android 4.4.3 or below.
SunShine 3.0 is a complete rewrite, it is going to have many small bugs. Please report them to http://support.theroot.ninja
Verizon HTC m8 users on 5.0.x, we are currently working to make SunShine compatible with your device, please sit tight!