1)   Free Video Decompiler 6.4.0.2
Free Video Decompiler - Extract Single Video Frames to Image Files. Powerful Decompiler that supports decompiling video files to extract the individual image frames. Supports (AVI,MPEG,WMV,ASF) to (BMP,GIF,PNG,JPEG,TIFF,EMF,WMF,PCX,TGA,J2K,RAS)

 2)   ! - OSS Video Decompiler 1.0
Video Decompiler - Extract Single Video Frames to Image Files