CIVICgov - Gov Tech
Juvia - A commenting server similar to Disqus and IntenseDebate
eMunicipality - Gov Tech
DISQUS - Disqus is a global comment system that improves discussion on websites and connects conversations across the web.
Intelligov - Gov Tech
Realtidbits - Powering the Realtime Social Layer for Entertainment, Local Media and High Traffic Blogs.