MegaMekLab is a BattleTech unit modification program. It allows creating and modifying all unit types available in MegaMek from Support Vehicles up to WarShips. It also allows printing record sheets for single or multiple units.
Isn't going to be an option. Our GE aren't using the ruleset and have lots of issues. We have no way to make an editor until building code, GE rules are modernized which is a large project.
It would be cool if we could edit turrets (by which I mean Gun Emplacements, not the kind on vehicles or mechs) the same way we can edit other units.