Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
CONV. - Convert YouTube video to MP3, GIF or MP4
GIMP - GIMP is a multiplatform photo manipulation tool.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Yout - YouTube to Mp3 Converter
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.