Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
skribbl - Word guessing based on drawing.
GIMP - GIMP is a multiplatform photo manipulation tool.
LetsDraw.It - Guess and Draw, Drawing Battle, Pictionary, Copy picture - online drawing games where you can compare your skill with others.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
gartic.io - Draw, guess, and win!
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.