Forum user @SirJulio wrote this nice little mod about 5 years ago @Alshain picked it up last June, but seems to have dropped it, so I'm picking it up since I like it and use it.  His thread is available here: https://forum.kerbalspaceprogram.com/index.php?/topic/161919-131-en-es-de-action-group-manager-continued/   What This Mod Does Add, Remove, Edit your action groups in flight. Manage your action groups from the tweakables menu. Add or remove all