This section will be a brief section to look at the talent advisors in both Dugi’s guide & Zygor’s guide.  For new players having a talent advisor is a perfect feature, as you probably don not really know what talents are good and what talents are not.  Even for us experienced players; rolling an alt might be difficult at first as we have to research good talent builds for leveling.
I have tried it a few times. It's good if you're new to the game. Otherwise not so much. I found I leveled slower by using it, as it's suggesting to take the longest possible route usually. Basically following roads everytime, when you could take an easy shortcut. Especially if the shortcut involves a bit of fall damage, it's out of question. The "go here" spots don't also update if you take a shortcut, and then the waypoint arrow points to wrong direction. But perhaps it has been updated since then. 

This Addon solves that issue where you have 5 Paladins in your Raid and no one can decide who is Buffing what. It has a little UI that represents Different Classes in your Party or Raid. You can change what buffs you want to give out then just mash the Class Button for each Class type until they all Turn Green. If anyone is missing a buff you are assigned the Class