2. P2P software for distributing content across a mesh network between the multiple servers (e.g. Gnunet & Freenet). Distributed Filesystems also work:
The VPN is nice although. I wish STOMP was used more instead of PYSC. I still love IRC. It would also be awesome if they had a mini USENET, that would sell me over to volunteer.
SILC and OTR? The former being a unmaintained nightmare, and the later something that is client related and not something they would "implement"?