Official AviSynth site www.avisynth.org (maintained by Richard Berg)
Official AviSynth project at sourceforge (source codes and binaries download)
AviSynth Usage forum at doom9 site
AviSynth Development forum at doom9 site
VirtualDub video editor (by Avery Lee)
VirtualDubMod video editor with AviSynth script editor
AvsP Editor homepage (by qwerpoi)
AviSynth filter collection, some utilities too (maintained by WarpEnterprises)
Command-line and batch utilities for AviSynth
New plugins and utilities for AviSynth
Postprocessing video using AviSynth (the section from Analog TV capture guide)
$Date: 2006/12/17 10:28:23 $