Pokemon Alabaster is a RMXP hack demo from Alababal who created Pokemon Essentials. It tells you a story of a 10 years old trainer.
Hetamon Awesome is a Pokemon FireRed hack. It comes from the ideas of a DevianArt user named Ginokami 6. This hack takes place in another dimension, not the normal world we usually see.
Pokemon X & Y is another hack for Pokemon Emerald. I must say, Pokemon Emerald is too famous because it is the ultimate combination of Pokemon Ruby & Sapphire.
Pokemon Whisky Brown is a FireRed hack. Take places in a whole new region, this game follow the story of a insanely poor family. This family has been living in a cave for shelter for a long time.
Pokemon Warped: Have you ever played Pokemon Septo Conquest? If yes, you will be satisfied with Pokemon Warped – a brother of Pokemon Septo Conquest because these two games come from the same authors!