That would be my question too 😅
I guess for photoshopping you could use Acorn instead. But what about the video and audio stuff 😅 ?
Discussion
I found these very good:
Audio: Reaper http://reaper.fm
Video: https://www.blackmagicdesign.com/products/davinciresolve
After effects: https://www.blender.org
Photoshop: https://www.photopea.com
Illustrator: https://inkscape.org