Pokemon R.O.W.E.

Pokemon ROM hack made with the objective of being an open world version of Hoenn with a lot of Quality of Life changes to make team building easy without having to breed for anything and a lot of replay value with a lot of modes that changes how you play the game and what kind of team you can use to beat the league since all the Pokémon are obtainable from the start so you can try any team you can think of, there are also a lot of features from future games like Wondertrade, Following Pokémon, Updated mechanics up to Gen 8, etc.