Lightworks is a completely free, yet professional, nonlinear video editing software. The application allows you to work on an unlimited number of audio and video tracks, offers support for editing multiple camcorders simultaneously (multicam edit) and the ability to keyfram all of your changes. Lightworks has the widest native format support available in any professional NLE. MXF, Quicktime and AVI containers, with almost every format you can think of importing natively without the need for transcoding, from ProRes, Avid DNxHD, AVC-Intra, DVCPRO HD, RED R3D, DPX, AVCHD (with AC3 audio), H.264, XDCAM EX / HD 422, all on the same timeline in realtime. Check out the detailed Tech Specs for a full list of supported formats. Lightworks has a realtime GPU pipeline architecture, designed from the ground up to deal with compositing and effects, such as primary and secondary colour correction, blurs, mattes and masks including over 100 inbuilt effect presets – completely independent of the source media.There was also a set of professional filters in Lightworks.