Photography
GIMP lets you retouch pictures, change images and even create your own pictures. You can add plug-ins to expand the things GIMP can do.
Pixlr lets you apply quick fixes, overlays, filters, and stickers to make any photo beautiful. It also has other photo editing capabilities. Weekly challenges and tutorials are available
Basic editing to customize your photos. Add color filters and edit details in your pictures to make them your won.
Photoshop your photos onto any surface and take them to the next level. Edit any image to fit the setting you choose and make it look real
Turn your photos into art! Make collages, edit backgrounds, and edit detail of any image to make it perfect for you.
Canva lets you create designs for web or print. It has layouts for things like blog headers, memes, twitter, Tumblr or Facebook posts, album covers, and YouTube Channel art. It also has hundreds of clipart and design elements like backgrounds, shapes and fonts. You can upload your own images.
Piktochart helps you create infographics. You can use over 400 templates and graphics. You can share your infographic with friends or publish it to the web.