Gnome peep started this tendency of oversimplification. Some times you do want features. Some times you do want what you call “bloated”. ‘Less is more’ doesn’t mean less is actually more, it means “Do more with less”. It is annoying as hell when programs start to remove stuff that you actually use because they try to follow this blind tendency towards nihilism ad absurdum.
Like you, I’ve never been able to keep Cinelerra open for more than 10 minutes but in my case, the reason wasn’t the ugly UI. The problem is rather that it is a total crashfest! I do not know a single piece of software under Linux that exhibits that many lockups, race conditions, segfaults etc etc. Heck, on my system, it can’t even load a project that it saved 2 minutes earlier without crashing and that sadly ruins the featurewise winner of the competition completely.
OpenShot is a cross platform video editor that is “simple and powerful”. It’s built specifically for the YouTube generation or, anyone looking to make simple videos by cutting things together and adding a few effects here and there. By no means is it on the same level as something like Final Cut, or Premiere, or even Kdenlive. Instead, think of OpenShot like Linux’s iMovie.
Just like VidCutter, it allows you to do basic editing tasks such as to trim, cut, snap, split, and mix your videos. For people who aren’t that well-versed in English, the software provides support for several other languages. Before using it, you should probably read its documentation, which comes with a lot of useful information on how to use this software.
I have worked with several commercial offerings including Final Cut Pro, Premiere and Video Wave. I recently used Cinelera (on Ubuntu Hardy) on several projects and I like it very much. Cinelera is much more powerful than Video Wave and is more near the class of Final Cut Pro and Premiere. Sure, Cinelera has some stability issues from time to time but they are not major and it also recovers nicely since it saves your most recent changes anyway. To be fair, I have seen similar stability issues with the commercial products as well so I do not find this aspect of Cinelera any different.
Davinci Resove is another non open source video editor for linux, like Lightworks. It used to be a very excellent color grading software, and now, it's a great video editor as well. You can do all the basic editing and some of the advanced editing on the free version (multi-camera editing, 3D editing, motion blur effects, and spatial noise reduction, etc are only available on the paid version)

It supports high-definition video, Blu-Ray, 3D, tethered shooting, integration of video, audio, and still images, all the usual effects such as scrolling titles, pans, and fades, animations, speed changes, audio mixing, export to multiple formats and quality levels including YouTube and Vimeo, and tons more. It is under active development and has great community support. This may be the only video program you’ll ever need.
Pitivi could be described as the Linux alternative to Windows Movie Maker. Both video editors have a clear user interface that doesn’t present its users with a steep learning curve, and both are intended to help regular people express themselves through videomaking. Of course, Windows Movie Maker is no longer in development, whereas Pitivi is developed by a fantastic community of people who believe in open source software.

Davinci Resove is another non open source video editor for linux, like Lightworks. It used to be a very excellent color grading software, and now, it's a great video editor as well. You can do all the basic editing and some of the advanced editing on the free version (multi-camera editing, 3D editing, motion blur effects, and spatial noise reduction, etc are only available on the paid version)
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.
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Open Shot is a video editor for Linux operating system written Python. It is open source video editing software and also freely available. It main features to support many audio, video and image formats. Better drag and drop feature. In open shot cutting, trimming, snapping and cropping are easier. It also supports video transition, compositing, 3d effects and motion picture credits. Open shot is user friendly software that gives also support of animation of key frame, easier encoding of video, digital zooming, editing and mixing of audio and digital video effects. This video editor software provides compositing and mainly extensive editing tool for practical working on high-definition video with HDV and AVCHD.
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:
Cinelerra is the most advanced non-linear video editor and compositor for Linux. Cinelerra also includes a video compositing engine, allowing the user to perform common compositing operations such as keying and mattes. Cinelerra includes support for very high-fidelity audio and video: it processes audio using 64 bits of precision, and can work in both RGBA and YUVA color spaces, using floating-point and 16-bit integer representations, respectively. It is resolution and frame rate-independent, meaning that it can support video of any speed and size.
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.
Introducing Lightworks, it’s a commercial video editing suite for Linux, Mac and Windows. It’s a non-linear tool with a completely different approach to editing video. Instead of a simple GTK or Qt window that is manipulated by the desktop environment (and themed by it too), the app offers up a full screen editing environment. Lightworks isn’t free. In fact, unlike the other apps on this list it actually requires a monthly subscription to use but it’s worth it if you want to edit and produce video on Linux.
Cinelarra is for video producers who need more than OpenShot, and who want a native Linux professional-quality video editor that supports high-resolution audio and video, and advanced features such as hue and saturation, overlays, denoising, compression, normalization, time stretching, realtime effects, nested sequences, color balance, image flipping, text-to-movie, batch render and batch capture, compositing, and much more. Cinelarra has nice integration between audio and video, and makes it easy to control synchronization. Blender and Cinelarra work well together; create your splendid animations in Blender and then integrate them into a movie in Cinelarra.

The Cinelerra entry needs updating. Not only does the provided install link not work, the separate branch GG Infinity supports 8 Linux distros and provides instructions to auto-update every month (see https://www.cinelerra-gg.org/downloads/). If the different branches are confusing, visit https://en.wikipedia.org/wiki/Cinelerra which will clarify it.
Simply wonderful! One of the few cross platform video editors that has lightning fast editing preview without having to create proxy clips for every step owing to GPU preview. A huge advantage considering the amount of time saved in having to not wait for proxy clip generation thereby allowing for a more flexible workflow. Beautifully blended workflow combining a bit of premiere and a slight bit of after effects. Having the control to edit content visually by resizing or moving clips and other elements directly on the editor / viewer gives a tremendous amount of creative freedom. See More
Kino is a great program, but it only does standard definition video, and everything has to be converted to DV files (meaning you need a gigabyte for every 5 minutes of video, so editing an hour long video can easily take 12 gigabytes). Sound editing can also be a bit difficult, but one can always export the soundtrack, edit in Audacity, then dub it back in (and I’ve done this for a couple of videos I’ve made). It’s still my favorite video editing program in spite of these limitations, for now.
Content Samurai promises that you can “Create Stunning Videos Fast” with their app. You can use Content Samurai 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 Content Samurai a shot.