Applying effects is as easy as drag and drop. But if you want to edit them, you'd need to right click on each clip and select Properties. You'd need to experiment with not-so-well documented parameters which take forever to preview just to see if you are on the right track. It is sort of easy to learn unless you want more than drag and drop controls. See More
By far, this is the most professional video editor for Linux available in the market. DaVinci Resolve is a powerful video editor and is commonly used by cinema production houses all over Hollywood. It comes with amazing features such as editing, professional audio post-production, and color correction, enabling professionals to create TV-shows and even movies.
This is an editor specialized on DV files. All other kinds of video are converted to DV, using a lot of time. I tried to import an m2ts of about 130 MB and it tooks more than 5 minutes. Just imagine how much time you would need with GB files… Not to mention the doubled (or more) disk space. After that, it jups to the end of the clip, exactly like Cinelerra. Unusable for me.

The problem average people have with Cinelerra is that it is truly complicated and requires time spent learning about the real underpinnings of video production technology in order to use it to its full potential. But the learning is worth it. What a person learns by digging deep into the intricacies of video production will allow a deeper understanding of what is going on with even “hand-holding” software.
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If I was willing to continue using commercial ransomeware, what I would be doing right about now would be switching to Apple, because apple video editing does everything you need and it works. Every time over the last few years I’ve asked anyone who has made their own professional looking video what software they used, the answer is ALWAYS Apple. I know somebody who mailed all of his original home movies (we’re talking film here) to Europe so a relative using Apple could make them into DVDs. But Apple’s too busy turning into big brother for my liking, so if I have to start over, I’m migrating to Linux. There is no point in struggling to learn something new and even get good at it only to have control of your work wrested from you by corporate controls.
Preview very slow (need to create a proxy 25% the scale and also resize the render output and even then it's often still slow) Doing a zoom (pan/scan) requires hacks https://blender.stackexchange.com/questions/42094 Transitions are fully manual Playback speed adjustments are very manual especially if you want to keep them in sync with the audio. .... See More

Nevertheless, when you find the elusive, easy to use video editing software that has the features I mention, that doesn't crash, or at least when it does crash recovers files the user was working on, that doesn't need constant tweaking using the shell, that has reasonable, non obfuscated documentation in understandable english, please let me know. I will buy you a beer and the software without hesitation.

Trey has a good point, I don’t want to do much more than combine my video with a few transitions and a soundtrack. Kdenlive works fine for that. My biggest issue with Linux video editing is the lack of good transitions and simple drag and drop functionality. Also DVD menu creation is still really poor on Linux. But over the last four years it has gotten much better.
Vidnami promises that you can “Create Stunning Videos Fast” with their app. You can use Vidnami video creation software to turn articles, blog posts and shorter pieces of content into videos in minutes, or so the creators claim. I’ve spent a lot of money having freelancers create videos for me, so I figured I would give Vidnami a shot.