In contrast to the other commenters, fuck FFXIV.
I tried it twice and it's just.. annoying. Maybe because I was already annoyed with MMOs in general by then.
You should still try it yourself eventually, but it's really bleh for me.
To be honest, most f2p MMOs don't work as a f2player. You have to end up paying or it becomes stressful.
Anyway, i don't recommend them, but they felt the least annoying the longest. Star Trek Online and Neverwinter (grindy as hell or expensive pay2unlock), Guild Wars 2 (needs buying the first two expansions to unlock permanent mounts and character specializations) and if you're brave enough to go the private servers route, try searching for private, yet somewhat reputable servers of games you think might've been nice like Wildstar..
He was a developer with the financial incentive to not put in the work required by this initiative into his presumptive games.