GuildStats.eu

I've been wondering lately if there is any app or website that exists that I can enter my characters name and it pulls quest data for that character to list all the bosses my character has access to?

It's rather hard to obtain because there is no simple "list of quests" to copy so we can't check which quests are already done by character. Only possibility is to "check" all quest by user.
Another thing is that if quest is done completly or just in some part so boss is available or not.