Telegram has been personally one of my major concerns, but for group chatting the other free applications are signal, kontalk which haven’t matured yet.
To summarise, our concerns should include
- Group chatting apps
- permissible fonts in posters
- social media presence (Facebook, Twitter, diaspora?
- photo sharing ( could consider hosting media goblin?)
So pour your ideas about these points, let’s try to find the way ahead!