SlidesWhiz - Better shortcuts and toolbar for Google Slides
Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda
Slideflow - Turn your Google Slides into a website in seconds.
Voiceflow - Build voice apps in your browser without coding
TalkingDeck - With TalkingDeck you can create instructional videos from Google Slides presented by our animated characters.
Jovo - 🗣 Build cross-platform apps for Alexa and Google Home