Source: The Jargon File (version 4.4.7, 29 Dec 2003)
nagware
/nag'weir/, n.
[Usenet] The variety of shareware that displays a large screen at the
beginning or end reminding you to register, typically requiring some sort
of keystroke to continue so that you can't use the software in batch mode.
Compare annoyware, crippleware.
Source: The Free On-line Dictionary of Computing (26 July 2010)
nagware
/nag'weir/ [Usenet] The variety of shareware that displays
a large screen at the beginning or end reminding you to
register, typically requiring some sort of keystroke to
continue so that you can't use the software in batch mode.
Compare crippleware.
[Jargon File]