Here you have a list of my favorite websites that offer free design resources (icons, images, vectors, fonts and more) that you can use in your presentations.
- Compfight: creative commons search at Flickr
- Wikimedia commons
- Graphic Burguer
Free icons, illustrations and other vector resources
- Our extra icons and maps for Powerpoint and Google Slides
- The Noun Project
- Wikimedia Maps of the World
- Free vector maps
Remember that You should carefully read the license of these free resources and add attribution to the “Credits” slide when needed.