I've seen in these forums many different RPG's being created by different people. Vote for your favourite.
The links to the official threads are:
Lua RPG By Fchaos: WIP Lua RPG Update 2
2D RPG, Shining Fantasy By Framerate: 2D RPG Engine Project
"Yet Another RPG" By XteticX (not title) : dare I say "yet another RPG"...
Traveller by Psolicybeing: Traveller, yet another RPG