b)Freeware software These are the programs which can be downloaded for free. So person doesn't need to pay in order to download and use. Free computer software is now a popular trend. But it is a backdoor for the malicious applications to enter into the PC. So believe only in trusted free software download sites.
Open source software is also known as freeware. This is because open-source software for use with other people and the public was made to be shared. Code was used to make the program a person often involves a time after downloading an open source software for the program could be improved. There are many types of open source software programs. There is an open source text (which works like Word), among others, an open source photo editor and editor.
To download any kind of software click free software download.