A great source of high definition photographs, all which are free for you to use any way you wish. Credit is not required but appreciated as it helps photographers can exposure.

MANY photos with varying quality that can be used without payment.

"Free high-resolution images for personal & commercial use. New pictures added weekly!"

"All images and videos on Pixabay are released free of copyrights under Creative Commons CC0. You may download, modify, distribute, and use them royalty free for anything you like, even in commercial applications. Attribution is not required."

Options to narrow search results by size, type of image, file type, usage rights, and more.

"The World’s Favorite #1 Online Photo Editor lets you edit photos right in your browser for Free."

"Photoshop is the most popular image editing app out there and GIMP is the best free alternative to it." - Harry Guinness, Apr 14, 2016 (From MakeUseOf, see https://www.makeuseof.com/tag/gimp-vs-photoshop-one-right/).

Not as powerful as Gimp, but gets the job done, is easy-to-use, and is powerful enough for many projects.

Very easy-to-use, free online tool for creating elegant graphics.

Create your own infographics based on your data.

"Vector graphics editor simillar to Adobe Illustrator®, Sketch™ and Inkscape™...Can do illustrations, icons, banners, mockups, charts, buttons and more. Works on Chrome OS, OS X, Linux, Windows and even inside the web browser."

"Freepik is the leading search engine of free vector designs."

CSS animations on demand

"Capture all or part of any web page. Add annotations, comments, blur sensitive info, and share with one-click uploads."