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.
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.

There’s often this misconception that there are not that many video editing software for Linux out there — however, this is not the case. With the growing popularity of Linux-based operating systems, software development companies have no choice but to focus on making software specially designed for Linux distros. Accordingly, you can find several video editors on the internet for almost any Linux distribution that you are using.
The only criticism I might have for Kdenlive is that it looks like an open source program. It isn’t the most user-friendly application to work with and appears to have been programmed by someone who knows what they are doing but expects you to also know what they are doing. It isn’t the most polished experience, and some things seem to be a bit obtuse to do.
Blender – 3D animation suite (cross-platform) : Blender is a 3D graphics application. It can be used for modeling, UV unwrapping, texturing, rigging, water simulations, skinning, animating, rendering, particle and other simulations, non-linear editing, compositing, and creating interactive 3D applications, including games. Blender’s features include advanced simulation tools such as rigid body, fluid, cloth and softbody dynamics, modifier based modeling tools, powerful character animation tools, a node based material and compositing system and Python for embedded scripting.
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I’ve twiddled around with a few of the programs mentioned here but they all seem horrifically counter-intuitive. That is to say, I could not figure them out. (and I have the strong motivation of a soccer team clamoring for their annual ‘best of’ movie.) Windows might be f#2%ed, but Apple is downright frightening these days. Free is more and more the only way to go.

So, there you have it. After using these many video editing software on Linux, no doubt things are improving fastly. Now which video editing software you want to use depends on your specific type of videos you edit. If you just want to throw a small home video of your cat together, I suggest you use Pitivi, and if you really want to go at it, try Kdenlive. Either way, you should be just fine. But, to answer the real question, which is, “Which is the best video editing software for Linux?”, I would probably have to say Kdenlive, overall. Pitivi is great Linux video editor – really great – but Kdenlive is a little better. It has great features, and its stability is increasing with every release.
There are no other legitimate operating systems. Even the international space station had to go all Linux for the sack of performance, reliability and stability. The problem with the world is laziness. we need to learn our tech to protect us from crooks in power. Tech is here to stay people. Time to roll up your sleeves. You will be happy you did. Just take it a baby-step at a time. Back up and don’t worry about reinstalling.
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Right now there is one really serious competitor coming out with it’s brand new open source non linear video editing product. I am talking about Lightworks` Oscar winnig Editshare which has been released open source last year. Feel free to discover their website http://www.lightworksbeta.com/ and tons of professional features it has. Yes this is not intended for video editing noobies but this is going to become a really brilliant piece of software for Lin/Mac/Win. Right now only Win version is accessible but:

The developers of the Pitivi editor believe that a video editor should be flexible, and efficient. Users can choose from simple views, to a complex mode that allows experienced users to make finer edits to their project. Users get access to “hundreds of animated effects, transitions and filters”, great looking audio waveforms in the project timeline, and a timeline that supports lots of different video and audio codecs.

Content Samurai is an online video creator software (application) that helps you create fast, easy and professional-looking videos within minutes. It allows you to insert articles into the software and it automatically creates a good-looking video using the text from the article you inserted. It can also add great images, video backgrounds and even text to speech voices.