@skyfaller If you're ok with email interview or at least some initial back and forth over email I'd be happy to share my experiences. There's also WSF which may have some models that they use, though I don't know if they use tech with them or not (I'm mission aligned with them but don't know their thing personally). I'm jessamyn@gmail feel free to drop a note.

https://en.wikipedia.org/wiki/World_Social_Forum