Freeware is free.
Many programmers create applications which they distribute freely for anyone to use without cost.
The mini-reviews here on Go Inside will describe the program, give you the URL where you may download it, and sometimes include a screenshot where appropriate. Although I have personally installed each and every program and found them to be compatible with my Windows 98 system, I cannot and do not make any guarantees that any of them will work on YOUR system. This is one of the cutest screen savers I've seen in a long time. It takes about two minutes for the file to decompress and install on my Pentium 200, but worth every second of it. The fish swims around as if in an aquarium, looks at the can of fish food wanting you to click on it.