I would say Joomla takes the cake with this one. It's being supported by many developers and there are thousands of extensions & themes to download for it. Developing new extensions is also fairly easy. Most hosting companies will support it on their servers so it makes portability much easier.
Couldn't disagree more. Joomla is the ****test CMS there is.
Most hosting companies will support it on their servers so it makes portability much easier.
FFS, you upload some files, create a DB and that's it. There's no "support" required.