[noun] [U] - computer programs that you are allowed to use for a short period before you decide whether or not to buy themShareware and public domain software is often just as good as commercial software costing much more.Shareware firms will usually sell you an upgraded version of their software for a little extra.
SHAREWARE
Meaning of SHAREWARE in English
Cambridge English vocab. Кембриджский английский словарь. 2012