Share 'What app would you include in a Social App Store?'

I've been given a quick mission1. To identify the top 100 civic / social / environmental business models that are worthscaling around the UK across a multitude of ‘sectors’ (food, energy, communityservices etc)2. To identify 100 Apps to power them and other civic initiatives   As part of my research I stumbled upon this group and am hoping people here can help with 2. and can identify some apps I…