Sites for royalty-free stock photos

For many Graphic Design projects, it is necessary to have some stock photos for your project. Make sure you have a proper license to use any image that you downloaded from the internet. There are many useful sites to download royalty-free stock photos. If you are business owners, entrepreneurs, digital marketers, content creators, designers who are looking for some great sources for royalty-free stock photos here are some useful sites:
Over 1.7 million+ high quality stock images, vector, and videos. Pixabay is a vibrant community of creatives,

sharing copyright free images and videos. All contents are released under the Pixabay License, which makes them safe to use without asking for permission or giving credit to the artist – even for commercial purposes.
Free stock photos you can use everywhere. ✓ Free for commercial use ✓ No attribution required. All photos and videos on Pexels can be downloaded and used for free.
Home for Public Domain Pictures. Free for private and commercial use.
Beautiful, free images and photos that you can download and use for any project. Better than any royalty free or stock photos. All photos are nicely tagged, searchable, and easy to discover through the discover page.
Over 1100881 high quality photos. CC0 Public Domain, Free for personal and commercial use, No attribution required.

There are lots of sites which seems free to use but always read Terms and Conditions, many sites provide free resources that need attribution for commercial use.
It is OK if you get inspired by other designs but you can’t copy other designs if you don’t have legal rights to do so. Discuss the same with your designer if you want to use any photos/images/illustrations. Make sure you have a license for the stock photo you are using in your project.