Freeware and Shareware
As you know, a shareware marketing method for software. Freeware is also a way of marketing software. However, freeware is free, so that the developer never money. Shareware is free to distribute, but can not be used to be repeated as often, unless that the developers paid. Freeware can be used as often repeat, and can be distributed freely, the payment is not required. Many developers use freeware to bring attention to their shareware applications.