Bixby - Advanced AI voice assistance for Samsung devices
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
vokul - 100% Handsfree Voice Control App for iOS Devices - Siri Alternative
Mycroft.AI - Mycroft is the world’s first open source assistant.
Google Assistant - Get things done with Google Assistant
MindMeld - Intelligent Voice Interface powered by AI technologies and Natural Language Processing