LibreStock is described as 'Need stock photos that you can alter however you need? LibreStock searches various photo sites for images that are released under the CC0 1.0 Universal Public Domain Dedication. Meaning you can use the photo any way you like so long as you abide by the few, very liberal rules of' and is a Stock Photo service in the photos & graphics category. There are more than 25 alternatives to LibreStock, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and iPhone apps. The best LibreStock alternative is Openverse, which is both free and Open Source. Other great sites and apps similar to LibreStock are Unsplash, Lummi, Pexels and Getty Images.
limited amount of photo, not searching through other websites