Stock images are library of images which are available free of cost to use. Internet have both free and paid stock images library. Some websites only have paid content and some websites provide both paid and free content. Here we are going to discuss some of free stock images libraries.
flickr.com
This is one of the largest free stock images library. This company is backed by Yahoo. They provide excellent features for pro photographers to manage their work online or on cloud. They have claim of billions free stock images.
pexels.com
Pexels have very simple license policy which is all images are free to use. Also all photos on Pexels can be used for free for commercial and noncommercial use. Attribution is not required. Giving credit to the photographer or Pexels is not necessary but always appreciated. You can modify the photos. Be creative and edit the photos as you like. Anyone can upload their photos on this stock image library and can remain anonymous if chose too.
unsplash.com
Unsplash has same free images library as all have but we think this is most largest free image library out there as compare to any other stock images library.
pixabay.com
Pixabay is a free stock image library. Pixabay is different from other stock images libraries as it has good library of videos, vector images, and illustrations too along side free images.