This list will need updating so if you find someone I have missed, let me know. Need the twitter account and the mod and some form of proof it belongs to the dev in questions. We're probably going to keep this to Mod devs in the FTB created packs for now.
Dries007 made this into a nice neat spreadsheet go here : Organized List
VikeStep made a nice twitter list where you can go subscribe to all of them Twitter List