Kdenlive I haven't tried yet, but is on my short list to try.
I've been using LightWorks under Linux and it works pretty well. I mean, I have nothing else to compare it to, but I'm doing 4K30fps video, and a friend of mine tells me that his Macbook Pro with Adobe tools isn't up to the task. I'm running on a 5 year old PC I had in the closet (870K CPU, 16GB RAM, Radeon, SSD), and it works fairly well.
The only downside of Lightworks so far has been that to export to Youtube at 4K you have to "subscribe", you can't just buy the software. You can do your editing and play with it, and export 720p video.
But to export 4K, you have to either pay $25/mo or $170/year. I wasn't sure how much I'd like editing video, so I didn't want to pay $170. so I did the $25 for a month. I'm really enjoying it, but I kind of wish I could just pay $200-$300 and be done with it. Which I realize isn't rational, because that'll buy a lot of $25 months.
Other ones I want to try: Kdenlive, Davinci Resolve (tried it and it segfaulted, $170/year), Cinelerra (looks kind of crappy), Flowblade. Pitivi looks to be abandoned. Maybe I should try Blender, but I don't want to do any 3D stuff, don't want to get sidetracked.
There's also an online NL video editor that my daughter has used for school: wevideo. She showed it to me after seeing me running LightWorks and recognizing the workflow. I'm dealing with 75-200GB though, don't think that's going to work for online. Smaller video will probably work, my daughter uses it to voice-over a series of photos turned into video.
There are a few rough edges, but Lightworks has mostly let me, as a neophyte video guy, to make great videos. Took me an hour to import an MP3 this weekend though.
I think when one considers a foss video editor, they might look into advanced features they need, if any, on how the app looks/integrates with everything, and not the last on how sustaining is the development. The needed features and look are personal and are what they are, so let me comment on sustainability of the "competing" video editors:
- Shotcut's dev said a few years ago in an interview that he gets enough money out of the ads on the website. - Openshot's Jonathan, last I checked in the corona time on the website was also getting a few thousand USD per month, from donations. - KdenLive last I checked a few years ago had a nice active team(!). I'm sure if you manage to submit a proper crash report they'll fix it. :) - Olive's dev is very ambitious, good luck to him! - Blender's integrated video editor looks solid! - Pitivi's team shifted focus on GStreamer or away, but we always gathered ourselves to mentor each year 2-3 GSoC students. Most of the development for a good number of years has actually been done by GSoC students. A significant effort went into making their job easier, code reviews(!), merging, infra, maintenance. Two years in a row, groups of students from UNL Nebraska worked on awesome small features and enhancements. Behind the scenes, Igalia and other GStreamer contributors are doing heavy work on GStreamer. Thanks to all, you're awesome! :)
Now Pitivi.. like some of the others, has it's place. It's the only video editor based on GStreamer. GStreamer is here to stay, and so is Pitivi―at least until another video editor based on GStreamer and written in Rust (read "stable") pops up, you never know.
Pitivi is the only video editor built on GTK, we get quite some help from the community with the GitLab issue tracker and the website infra. We're not GNOME but yes we are close. We spent two individual GSoC internships to port Pitivi to GTK 4, but we're not there yet. Blame it on us. It'll get there at some point, but I don't think we'll do a third internship, so I think we'll most likely skip GSoC next year altogether.
"Beautiful" is not measurable, so if we say that "it's beautiful", it's not an absolute truth. You don't like it -> see "competition" above. Let me mention we did stay away from context menus. :)
"Marketing" will be needed when we want to do a(nother) fundraiser, but we're not there yet. The only marketing we might want to do is to developers and people who might be interested in joining and investing in the community. Maybe you have tips about that! Also regarding marketing, we don't have yet packages for Windows and Mac. I think all the others do.
"Stability" is lacking in video editors because none are written in Rust.
Cheers and have fun editing with your favorite video editor! I'll come back to check the replies next Monday.