Hound might be a bit more popular than OK Google. We know about 1 link to it since March 2021 and only 1 link to OK Google. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://ok-google.io - list of commands that you can ask Google's voice assistant. Source: almost 2 years ago
Houndci.com — Comments on GitHub commits about code quality, free for Open Source. - Source: dev.to / almost 3 years ago
Hey Siri - Commands you can use on your iOS and macOS Devices
Google Assistant - Get things done with Google Assistant
Voice Principles - Guiding principles for voice design, all in one place
Mycroft.AI - Mycroft is the world’s first open source assistant.
Cortana - Cortana is your personal assistant.
BotTalk - Create Alexa skills and Google Assistant actions with Markup