Vision Quest is a very popular rom hack that is very praised for its gameplay and story: [FE8] [Complete] Fire Emblem: Vision Quest (v3 by Pushwall - 1-Oct-22)
Fire Emblem Sacred Echoes is a demake of Shadows of Valentia: [FE8] Sacred Echoes [v1.0] [COMPLETE]
Fire Emblem Storge focus on you building your army by contracting your own mercenaries and managing your budget, it’s interesting because of its unique classes and characters: Fire Emblem: Storge [COMPLETE]
I would like to say that I still haven’t played these hacks completely, but I did enjoy what I played.