SlidesPPT - Beautiful free presentation templates for Google Slides
Infogram - Make charts & infographics that people love
Slidebean - Presentations that design themselves
Visme - One easy to use online tool to visualize your ideas to engaging Presentations, Infographics and other Visual Content.
SlideModel.com - Create attractive presentations with our professional PowerPoint templates, slide designs, and themes. Use our PPT templates and slide designs to give unique appearance to your presentation.
Mind the Graph - Infographic maker for scientists