Pixabay

High quality photos, illustrations, vector graphics and video. Free for commercial use. No attribution required. All pictures are released under Creative Commons CC0 as public domain.

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StockSnap

All photos on StockSnap fall under the Creative Commons CC0 license. That means you can copy, modify, distribute any photo on the site, even for commercial purposes, all without asking permission.

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Unsplash

High quality photos shared free of charge and under the Creative Commons Public Domain CC0 licence.

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Visual Hunt

Most photos are CC0 license. You can search and filter by color or check photos popularity on the Web.

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Wikimedia Commons

Photos, graphics, sounds and video shared free of charge and under a Creative Commons licence. Content that can be freely reused although some might be subject to certain restrictions.

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