From LQWiki

Shareware is a kind of freeware for which the author requests some payment, usually in the accompanying documentation files or in an announcement made by the software itself. Such payment may or may not buy additional support or functionality.

See also

• careware
• charityware
• crippleware
• FRS
• guiltware
• payware
• postcardware
• -ware

This article is based, in whole or in part, on entry or entries in the Jargon File.