An interesting project on github that was listed on Product Hunt. It's the early stages but it's a great start to a new A.I. framework that anyone can build on or create their own assistant.
From the site:
Abot (pronounced Eh-Bot, like the Canadians) is a digital assistant framework that enables anyone to easily build a digital assistant similar to Apple's Siri, Microsoft's Cortana, Google Now, or Amazon Alexa. Further, Abot supports a human-aided training backend enabling anyone to build services like Facebook M.
Unlike those proprietary systems, Abot is open-sourced and extensible. By providing an extensible platform onto which anyone can easily add functionality, Abot is the first A.I. framework that aims to be available everywhere and— ultimately—to do everything.