Ranger Current Situation! Need Guides!
Every thing i post below is pre heart of thorns, as we have not figured it out for our selfs yet, but it will get you going
PvE
http://dulfy.net/2014/07/05/gw2-ranger-pve-class-guide-by-lorek-and-cell/
Some builds – all game modes
https://forum-en.gw2archive.eu/forum/professions/ranger/New-Builds-List-50-builds-All-modes/first
http://metabattle.com/wiki/MetaBattle_Wiki