AviSynth is an awesome, free (gpl) Windows program that allows for unlimited video editing. It falls under the category of Video software with a subcategory of Editors.
AviSynth is known for its small storage space requirement compared to other video software programs. It has been downloaded by users mainly from Vietnam, United States, and Italy. Since its inclusion in our selection of programs and apps in 2011, it has reached a total of 102,189 downloads with 21 downloads in the past week. The current version is 2.5.8, with the last update occurring on May 30, 2011. It is compatible with Windows 2000 and previous versions, and is available in English.