@FediFollows@social.growyourown.service some of those are great, some aren't - I use Inkscape, it's UI leaves a LOT to be desired on OSX but it works. Krita is good at what it does, but mostly for painting/tablet work, not really great at compositing/design.
Darktable tho - nope. Not even close to Lightroom or Capture One. Blender is good if you want 3D but noticeable there isn't a real After Effects replacement. Never has been.
At least you didn't mention GIMP!
There is another way tho - companies who aren't open source but pay once or longterm free tier. Open Source is nice, but not if the tools are really basic like with Kdenlive.
Davinci Resolve - pay once or free version
Affinity - designers hate Canva but it's free now, works WAY better than Krita. Will it stay free?
Reaper - a far better DAW than Ardour, Ardour is OK but fiddly. Reaper has a free model for aeons that never expires, like Resolve.
Pixelmator Pro on OSX - sadly now owned by Apple. If it goes sub tier I will stop using it...cos now we have Affinity free