Most importantly, NeoOffice is free and open source software, relieving you of costly licensing fees.
NeoOffice has many advantages over other office suites, including, in some cases, Microsoft's Office. To see the version of this page comparing NeoOffice 3.1.1 with then-current versions of and Microsoft Office 2008, see NeoOffice 3.1.1 Feature Comparison. This page compares NeoOffice 3.3 to LibreOffice 3.6 and Microsoft Office 2011.