Related:

• freeware: n. Free software, often written by enthusiasts and distributed by users' groups, or via electronic mail, local bulletin boards, {USENET}, or other electronic media.
  At one time, `freeware' was a trademark of Andrew Fluegelman, the author of the well-known MS-DOS comm program PC-TALK III....
• FRS // n.,obs. Abbreviation for "Freely Redistributable Software" which entered general use on the Internet in 1995 after years of low-level confusion over what exactly to call software written to be passed around and shared (contending terms including freeware
  hareware, and `sourceware' were never universally felt to be satisfactory for various subtle reasons)....
• BBS /B-B-S/ n. [common; abbreviation, `Bulletin Board System'] An electronic bulletin board system
  hat is, a message database where people can log in and leave broadcast messages for others grouped (typically) into topic groups....
• annoyware n. A type of shareware that frequently disrupts normal program operation to display requests for payment to the author in return for the ability to disable the request messages.
  (Also called `nagware') The requests generally require user action to acknowledge the message before normal operation is resumed and are often tied to the most frequently used features of the software....
• hareware /sheir'weir/ n. A kind of freeware (sense 1) for which the author requests some payme
  usually in the accompanying documentation files or in an announcement made by the software itself....
• doubled sig [Usenet] n. A sig block that has been included twice in a Usenet article or, less commonly, in an electronic mail message.
  An article or message with a doubled sig can be caused by improperly configured software....
• BBS: /B-B-S/ [abbreviation, `Bulletin Board System'] n.
  An electronic bulletin board system; that is, a message database where people can log in and leave broadcast messages for others grouped (typically) into {topic group}s....
• doubled sig: [USENET] n. A {sig block} that has been included twice in a {USENET} article or, less commonly, in an electronic mail message.
  An article or message with a doubled sig can be caused by improperly configured software....
• payware /pay'weir/ n. Commercial software. Oppose shareware or freeware.