libpng
on SourceForge
libpng17/1.7.0-oldbetas/libpng-1.7.0beta70.tar.gz
libpng16/older-releases/1.6.20/lpng1620.zip.asc
libpng16/older-releases/1.6.20/lpng1620.zip
libpng16/older-releases/1.6.20/lpng1620.7z.asc
libpng16/older-releases/1.6.20/lpng1620.7z
libpng
on SourceForge
libpng16/older-releases/1.6.20/libpng-1.6.20.tar.xz.asc
libpng16/older-releases/1.6.20/libpng-1.6.20.tar.xz
libpng16/older-releases/1.6.20/libpng-1.6.20.tar.gz.asc
libpng16/older-releases/1.6.20/libpng-1.6.20.tar.gz