Development
http://wiki.mozilla.org/APNG_Specification
http://en.wikipedia.org/wiki/APNG
http://littlesvr.ca/apng/
http://philip.html5.org/tests/apng/tests.html
http://eligrey.com/blog/post/apng-feature-detection
http://labs.mozilla.com/2007/08/better-animations-in-firefox-3/
Software
Applications that work with APNGs.
Other Links
PNG image file format
W3C PNG Specification – Second Edition
PNG (Portable Network Graphics) Specification, Version 1.2
W3C GIF specification
GIF image file format
