Avidemux is a free video editor designed for simple cutting, filtering and encoding tasks. It supports many file types, including AVI, DVD compatible MPEG files, MP4 and ASF, using a variety of codecs. Tasks can be automated using projects, job queue and powerful scripting capabilities. Avidemux is available for Linux, BSD, Mac OS X and Microsoft Windows under the GNU GPL license.
I’m having trouble with avisynth, just the process of editing with it. I know virtualdub is connected with it, but I can’t find anyway to connect virtualdub with windows movie maker, well to open it(capture video). Anyhow, I know will try Linux. Will it give the same quality as I see on my computer when it is uploaded to youtube? Yes, beginner here…

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.
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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)
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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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
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Crash, crash, crash... when it didn't crash I found it to be in that middle zone of more than a basic editor, but not a professional one... features are not very intuitive. It took me more than 30 minutes of randomly clicking to figure out how to adjust the effects applied to a clip and then I was underwhelmed with the options. To be fair... I was looking for something specific when I tried this out. I've used Adobe and other video editors in the past and this just missed my current needs and my expectations based on past experiences. See More

Blender 2.8 makes video editing a LOT easier (start UI, easy to drag file, left click select...). It's still a bit harder to learn than other tools but for power users each shortcut you'll learn can be applied almost everywhere (e.g. pressing "i" on a numeric field to keyframe the value, or "g" to grab and move and element...). It's very powerful especially if you want to also include 3D in your videos. However many standard tasks will take more time in Blender: The preview is slow, to do a high quality zoom in animation you may need to use a Compositor or instead crop, rendering in 10 bits requires a lot of temporary disk storage, video stabilization is also a pain... Overall I'd suggest it more for someone interested in 3D doing also video editing. See More
I’ve used video editing software in Windows, and there is *nothing* intuitive about it. All of the software programs I’ve used are so loaded with DRM that trying to burn your home movies to DVD is a an adventure, often in futility. One of the commercial “home use” software package I bought was fairly intuitive, but the DRM made it incapable of burning DVDs. My prime reason for wanting to be able to video edit is so I can put together home movie compilations for all the computer illiterates and senior citizens in my family. They watch movies on TV and can just about handle popping a DVD in. I’m tired of having some of my homemade DVDs work in Dad’s machine, but then refusing to play in my sister’s.
The most promising or also often called best Linux free video editor of all, OpenShot has a long history of development and should be mature and stable. I downloaded the latest Openshot from its PPA since the one in the main Ubuntu repositories is, rather perplexingly, a very old and outdated version. Once OpenShot is opened, it appears very easy to use. The default layout is simple and intuitive, and there are even hints that pop up the first time you use it! I drag-and-dropped a few videos I had taken in preparation for this post, and boy, was I disappointed with this so-called best Linux video editing 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)
I’ve had good luck with Lives. I’ve been able to accomplish things with it that I couldn’t figure out how to do with the others. My main use of video is for web sites. I’ve even created a video sequence from a JPEG still which I then manipulated with Lives tools and output as an animated GIF. I further tune the size of the animation in GIMP which allowed me adjust the the frame rate on a per frame basis.
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.
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