What are the difference between launchpad.net/ubuntu and packages.ubuntu.com? Are they both for ubuntu packages? Thanks.
http://packages.ubuntu.com/ provides you information about all the packages available in the Ubuntu Package archive.
Where you can Search package directories and Search the contents of packages
Visit About this site.
Whereas Launchpad is a unique collaboration and hosting platform for software projects.
It brings communities together — regardless of their choice of tools — by making it easy to share code, bug reports, translations and ideas across projects.