AviSynth is an awesome, free (gpl) Windows program, that is part of the category Video software with subcategory Editors.
More about AviSynth
About the download, AviSynth is a program that requires less storage space than the average program in the section Video software. It's a software mostly downloaded in Vietnam, United States, and Italy.
Since the software joined our selection of programs and apps in 2011, it has managed to reach 102,189 downloads, and last week it achieved 21 downloads.
Its current version is 2.5.8 and its last update happened on 5/30/2011. It's available for users with the operating system Windows 2000 and previous versions, and it is available in English.