libpng
on SourceForge
libpng15/older-releases/1.5.25beta/libpng-1.5.25beta02.tar.gz
libpng14/older-releases/1.4.18beta/libpng-1.4.18beta02.tar.gz
com.google.apis:google-api-services-calendar
on Java Maven
v3-rev154-1.19.1
v3-rev154-1.18.0-rc
v3-rev154-1.20.0