Demo software is much like shareware but is even distributed by the largest companies. It lets you try the program for a fixed period or number of times and then expires. Sites to Visit All three types of programs are distributed from the developers' sites but also from centralized services that offer thousands of programs. Links to some of these services are listed below. When you visit them, you use search engines to locate the programs you are looking for.
Some sites rank programs with stars or other devices.
Others show you the number of times a program has been downloaded. Both system give you a rough indication of how popular, and useful, a program might be.