Bixby - Advanced AI voice assistance for Samsung devices
Clara - Clara is a virtual employee that schedules your meetings, getting you to the work that matters, faster.
vokul - 100% Handsfree Voice Control App for iOS Devices - Siri Alternative
Mia - Virtual assistant for meetings
Mycroft.AI - Mycroft is the world’s first open source assistant.
Perssist Virtual Assistants - Affordable virtual assistant service