Kdenlive (KDE Non-Linear Video Editor) is an Open Source video editor built on Qt and KDE Framework libraries.

Most of the video processing in Kdenlive is done by the MLT Framework, which relies on many other Open Source projects like FFmpeg, frei0r, movit, ladspa, sox, etc.

Kdenlive was designed with a robust set of features that will meet the needs of users performing basic video editing up to professional work.

Kdenlive supports all of the formats supported by FFmpeg or libav (such as QuickTime, AVI, WMV, MPEG, and Flash Video, among others), and also supports 4:3 and 16:9 aspect ratios for both PAL, NTSC and various HD standards, including HDV and AVCHD. Video can also be exported to DV devices, or written to a DVD with chapters and a simple menu. There is also a detailed User Manual to help get you started.

Kdenlive Features:

Multi-track editing with a timeline and supports an unlimited number of video and audio tracks.
A built-in title editor and tools to create, move, crop and delete video clips, audio clips, text clips, and image clips.
Ability to add custom effects and transitions.
A wide range of effects and transitions. Audio effects include normalization, phase and pitch shifting, limiting, volume adjustment, reverb and equalization filters as well as others.
Visual effects include options for masking, blue-screen, distortions, rotations, color tools, blurring, obscuring, and others.
Configurable keyboard shortcuts and interface layouts.
Rendering is done using a separate non-blocking process so it can be stopped, paused, and restarted.
Kdenlive also provides a script called the Kdenlive Builder Wizard (KBW) that compiles the latest developer version of the software and its main dependencies from source, to allow users to try to test new features and report problems on the bug tracker.

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