Productivity means applications that are used to do the real work. Note that utilities and networking applications are listed in a separate category under KDE.

Look at the description of the main KDE Category for more information about KDE.
KDE-Software used for instruction in a variety of subject areas. Also, software used by educators and educational institutions for handling administrative tasks.
Lists projects that provide applications for financial services under KDE, such as accounting applications, ...
Lists applications that provide features that help Scientist perform their work.