Shareware: similar to freeware, but it is usually
available for free during a
short evaluation period.
After the evaluation expires, shareware stops functioning.
Users are expected to stop using the shareware after the specified
initial trial period and uninstall it from their computers.
Anyone who likes the program and wants to continue using
it can purchase a license.
Shareware is usually
more reliable than freeware because the shareware
developer is sometimes willing to accept responsibility for the programs operation.