Autosistants - The automated assistant list:
Apple - Siri
Amazon - Echo
Facebook - M
Google - Now
Microsoft - Cortana
IBM - Watson
Watson is built to mirror the same learning process we use. Available through the cloud, Watson is a significant element of the IBM cloud strategy. The services of Watson is offered to business customers helping them analyse and make sense of dark data. It speaks many languages and is constantly improving its cognitive capabilities to interface to humans in a natural way
Samsung - S Voice
Others:
Maluuba
Mya
Hidi
Saera
Silvia
Sirius
Vlingo
Voice mate
Read about Autosistants here.