And don't get me wrong, After Effects has serious issues and I often long for an alternative.
I get why hobbyists don't like subscription models, but the cost of Creative Cloud is pretty negligible for a professional using it daily to feed his family.
As I said, I ordered them by their ability to replace the prospect tools for me. I edited films for hours in Premiere, recently all I had was my linkux machine and kdenlive worked surprisingly well for a small project, not to speak of Davinci.
Blender supported my freelance career for at least the past 5 years and half of the projects would have been considered 2D.
"Wow, how did you achive that look?" is a question I heard more than once. So yeah, if a piece of software manages to cover my rent I consider it good enough. And as for AE: with Davinci and Blender the numer of times I had to reach for AE slowly aproached zero.
But again depends on your Blender skills and what you need done.
Sorry, missed you included Resolve in there, although Resolve's actual market penetration in as an NLE (i.e., directly competing with Premiere) is hard to evaluate (it's obviously the market leader for color grading). Prosumers love it as an NLE though.
Your follow up comments put things in a different context and I wouldn't have replied the way I did if I had read them first. E.g., in the follow-ups you're stating you've managed to replace your workflow in these areas with these applications, which is great and useful information. But that's a different framing than the original comment I was responding to, e.g., "Creative Cloud products which can now be replaced:".
> So yeah, if a piece of software manages to cover my rent I consider it good enough.
My metric would be if people are choosing it for reasons other than price conscious or for values (i.e., it's better than the closed-source version because it's a better product not just inherently better for being open source). Not the easiest to evaluate, but that's what I'm looking for for evidence of the quality of these applications.
As for Blender, I was a Maya user before and never really looked back. Blender is also gaining a lot of traction in the recent years, especially since they introduced the Eevee renderer and decent grease pencil/2D animation workflows.
I can't speak for all segments of the professional market, but Blender is good enough to earn a living with it, while not feeling you are trying to paint the Mona Lisa in paint, as of now. And more importantly: it is improving at a quicker pace than most other software and that includes commercial ones.
Maybe it depends on your specific niche, but the number of jobs where I had to use AE has been zero for the past 3 years. Blender is known as a modelling or 3D-VFX/Animation tool, but if you are good at it, with all its constraints, python support etc. it is truly worth trying for 2D as well. Tracker is better as well.
That is why open source products are important: they add a constantly growing baseline of quality which the likes of Adobe have to be above of if they want to be able to sustain themselves.
Creative cloud products which can now be replaced:
After Effects with Blender, which is even more powerful
Premiere with kdenlive, Openshot, Shotcut or Davinci Resolve (not open Source, but free and with a superior color engine)
Photoshop with Gimp, Krita (Photoshop is still superior tho)
Illustrator with Inkscape, Graphite or other SVG editors
InDesign with Scribus
Many of these tools are not there yet (I sorted roughly from best replacement to worst), but this is certainly a space to watch.