Greetings,
I've recently released Knights of Grumthorr on Steam as a 2d medieval fantasy rts.
It includes custom scripted campaigns, a map editor, skirmish modes and is easily moddable with graphics, audio and trigger data all easily accessible.
I hope you find it enjoyable if you give it a shot.
from Matt
https://store.steampowered.com/app/1443190/Knights_of_Grumthorr/