Spiced Rumby 
A ruby gem that acts as a mesh-chat client.
Installation
gem install spiced_rumby
Usage
$ irb
require 'spiced_rumby'
SpicedRumby.start
Or, if you just download the zip / clone the repo:
bundle install # to install ruby dependencies
./run
Dependencies
Gems
meshchat - the core of mesh chat communication / basic functionality libnotify - for notifications on unix systems.
System
For sending messages
sudo apt-get install libcurl3 libcurl3-gnutls libcurl4-openssl-dev
See the ruby curl bindings installation for non Ubuntu OSes.
For encryption and RSA key generation
sudo apt-get install openssl