Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Botsociety - Botsociety is a tool to design, preview and export your chatbot.
GIMP - GIMP is a multiplatform photo manipulation tool.
Balsamiq Mockups 3 - New public beta for the popular prototyping tool
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Bots UI Kit - Fully customizable Sketch UI Kit for Messenger Platform
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.