SlidesPPT - Beautiful free presentation templates for Google Slides
Teleprompt.me - The only web-based voice controlled teleprompter!
Slidebean - Presentations that design themselves
TelePromptor - An online teleprompter to make you a better public speaker
Selfone - Free template for PowerPoint, Keynote and Google Slides
Promptsmart - iOS app turns smartphones into an automated teleprompter