Graph Paper Press
InkThemes
WPExplorer
Themify
Web-Dorado
CyberChimps
The Theme Foundry
YOOtheme
Slides Carnival
SlideModel.com
Slidesgo
SlideTeam
SlideEgg
Slidebazaar.com
PoweredTemplate.com
PSlides
Graph Paper PressSlides Carnival might be a bit more popular than Graph Paper Press. We know about 1 link to it since March 2021 and only 1 link to Graph Paper Press. 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.
There is https://graphpaperpress.com/ I haven't used them for a while but they have good cred. Source: about 2 years ago
I also recommend slidescarnival.com makes your presentation seem much more professional and since it's just one person running that site, all the templates follow a uniform structure, making it easy to get used to. Source: almost 3 years ago
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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.
WPExplorer - WPExplorer enables you to explore numerous WordPress Plugins and Themes and pick the one that matches the requirements of your company.
Slidesgo - An extensive catalog of free Google Slides themes and PowerPoint templates.
Themify - Premium WordPress Themes & Plugins Since 2010, Themify themes and plugins have been helping 87,941+ customers make beautifully responsive WordPress sites, faster and easier than ever.
SlideTeam - Transform rough sketches, notes into professional PowerPoint presentations.