Depositphotos is a royalty-free curated library. The website offers about 70,000 high-resolution stock photos, vectors, editorial files, and videos. It has an advanced search by keyword, orientation, color, and more.
You need to add attribution for files from the free image collection. By clicking on any free file, you can find tips on attributing it online or offline.
123RF offers over 2 million free high-quality stock photos, 2D vectors, and 3D illustrations in many different categories. A credit line and attribution are required.
Burst is a stock photo site powered by Shopify. The library includes thousands of high-resolution images from a global community of photographers, offering a large selection of business-oriented photos.
Gratisography is the world's quirkiest collection of free high-resolution pictures you can use for your personal and commercial projects.
Pixabay is a community of creatives who share copyright-free images, videos, and music that feature more than 2.6 million images.
Unsplash database features millions of free high-resolution images brought to you by a huge community of generous photographers.