New! If you are running Linux or a decent version of Windows and your computer has more than 128mb of ram, please check out our new compositor / editor at http://www.zs4.net If not, see below for the old Zwei-Stein. (ZS4 is free for personal use.)
Zwei-Stein 3.01 is a freeware non-linear, non-destructive video compositing and editing system which offers many advanced features unavailable elsewhere.
With Zwei-Stein you can edit up to 256 video, audio and still image clips, each with up to 64 effects chained serially. Cropping, panning and custom effects are easy with automatic key frames. Download here. See left side menu for more info.