Free Video Editor-Kdelive

Kdelive is an open source of video editing software. This video editor can edit almost videos of every format through FFmpeg, which means formats namely as DV, HDV, mpeg, avi, mp4, mov, flv, ogg, wav, mp3, Quicktime, vorbis all can be supported. It also supports 4:3 and16:9 aspect ratios for PAL, NTSC and various HD standards, including HDV and AVCHD. Video can be output to DV devices, or burned to a DVD with chapters and a menu.

Some features in version 0.7 include:
Interface based on KDE's Oxygenstyle, capture from FireWire cameras, webcams and Video4Linux devices, grab video from your screen (screen capture), support for jog shuttle devices, independent rendering processes, interactive timeline operations, high definition editing, lossless formats and clip organization / location tools.

Audio effects: normalization, phase and pitch shifting, limiting, volume adjustment, reverb and equalization filters among others.

Video effects: options for masking, blue-screen, distortions, rotations, clour tools, blurring, obscuring and others.

Improvements in version 0.8:
User interface improves
Functions of proxy crip, audio monitor, HDMI output, added
Picture preview fixed
Frame by frame rotoscoping technology added
Perspective photo location
Widget layout
Animation effects in dark condition, audio frequency and light spectrum, enhanced

Till now, the 0.9.2 version has been released; I will collect more information to have a introduction in my blog.