(1) Open source is sometimes confused with freeware , which is software that does not cost anything.(2) The course is based on freeware and shareware software that can be used on second-hand machines.(3) I hesitate to recommend any video editing software that is freeware .(4) Stay away from shareware and freeware until you're no longer a novice.(5) When you download freeware or shareware, chances are that you are downloading spyware with it.