Tasker - Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts...
Mycroft.AI - Mycroft is the world’s first open source assistant.
AutomateIt - Automate Your Android!
Bixby - Advanced AI voice assistance for Samsung devices
LIama - LIama is a Location-Aware Mobile app that determines your location and helps you do lots of other stuff with ease.
Siri Shortcuts - Siri is an intelligent assistant that offers a faster, easier way to get things done on your Apple devices. Even before you ask.