Why should users have all the fun with the hot mobile devices du jour? The truth is that IT can join the iPad, iPhone, and Android party and be able to work on the go just as easily as their business colleagues. When InfoWorld surveyed IT pros as to how they use mobile devices to manage the data center and troubleshoot support issues, 16 tools kept coming up as favorites. Most run on iOS (both iPhone and iPad, unless otherwise noted), but many also run on Android, and a few are available for other platforms as well. Even better, many are free.