An Open Intelligent Personal Assistant

Sirius implements the core functionalities of an IPA including speech recognition, image matching, natural language processing and a question-and-answer system. 

http://sirius.clarity-lab.org/

Sirius has been tested on Ubuntu 12.04 and 14.04. 

ruby: ver.2.2.2 update

$ sudo rbenv global 2.2.2
$ sudo gem install bundler
$ sudo rbenv rehash
$ sudo gem install passenger
$ sudo passenger-install-apache2-module
$ bundle update
$ bundle install
$ bundle exec rake rails:update
$ bundle exec rspec