Unsplash - Unsplash is a website with high-quality free HD images. It has a catalog of more than three hundred thousand striking images that are neatly organized with tags. Read more about Unsplash.
Isometric Game Art Pack - Extensive library of game art for indie devs
Good Free Photos - Large free stock photo site with thousands of public photos
Indie Boost - A video game discovery software used by Publishers, Press, YouTubers, and Streamers.
StockSnap - Beautiful, free stock photos
Isometric Love - Cute isometric objects for designers