GIMP - GIMP is a multiplatform photo manipulation tool.
PicsArt - Explore 100,000,000+ awesome images and photos on the web
VSCO - VSCO® is an art and technology company empowering people everywhere to create, discover, and connect. CompanyVSCO® is a trendsetting art and technology company that .
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
Instagram - Instagram is a mobile, desktop, and Internet-based photo-sharing application and service that allows users to share pictures and videos either publicly, or privately to pre-approved followers.