What Programmer is
A person who designs, codes, tests and documents a computer program or Web site. Professional programmers often hold college degrees in computer science, but a great deal of programming is done by individuals who are self-taught, with little or no formal training.
The meaning of Shareware
Software available on the Internet for downloading so you can try it before buying it. It is copyrighted and distributed on a "free-will donation" basis, either via the Internet or by being passed along by satisfied customers. users who continue to use the program after a trial period are expected to pay a registration fee. In return, they get documentation, technical support, and access to updated versions.