This tool was made by someone named "falkon22", Its easy to use and its multilanguaged.
What is it?
It's a tool where you choose your Gw2 Race/profession and lets you pick weapon and all to show you what skills you would get with that.
ex: Charr/Warrior/ Mainhand = Sword Offhand = Longbow
With this it will show me what skills i would have with such weapons and all that kind of cool stuff.
Link below takes you to the website.