Don’t get fooled by what’s popular, open source it’s better by design and it’s there to stay. You can do color correction on Blender too

So you prefer it because everyone use it? This doesn’t sound smart

Krita has g’mic and it’s open source. It’s photoshop that is still not up to there

You cannot setup servers on Discord.

https://spyware.neocities.org/articles/discord

There’s Ardour and Jack

For that you can also use Blender

If you have to interact with documents created by others it would be better to use open formats not proprietary shit designed to be not cross compatible

None, closed source is flawed by design