Please upload this "apngtools" metapackage for users that want to get all in download.
wget --recursive --no-host-directories --cut-dirs=3 \ http://cante.net/~jaalto/tmp/cygwin/apngtools/setup.hint \ Jari [ setup.hint ] sdesc: "Animated PNG image (APNG) tools" ldesc: "Collection of utilities: apng2gif (convert), apngasm (assemble APNG from individual PNG images), apngdis (dissamble APNG to individual PNG files), apngopt (optimize APNG by reducing size), gif2apng (convert anmatef GIF to APNG)" category: Graphics requires: apng2gif, apngasm, apngdis, apngopt, gif2apng