VoiceAttack - VoiceAttack will take commands that you speak into your microphone

Bixby - Advanced AI voice assistance for Samsung devices

VoiceMacro - Control applications or games by voice commands and/or by the press of a keyboard, mouse button or...

Mycroft.AI - Mycroft is the world’s first open source assistant.

Braina - Braina (Brain Artificial) is an intelligent personal assistant software for Windows OS that allows you to interact with your computer using voice commands.

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.