[[!meta title="The term FOSS"]] ## Existing terms
### Free software
GNU prefers to use the term "Free software". The reason for me not to use this term are:
### Open source software
I liked to use the term "Open source software" some time. Perhaps because it was used often to talk about what I associate with GPL'ed or BSD-licensed software. But then, one day, I found out about the above mentioned GNU free software definition and I began to think about both terms. In contrast to free software, open source software (OSS) is much more known, but my reasons not to use it are:
## Free and open source software (FOSS) The simplest solution is to combine both terms and finish all problems. So using FOSS, I get the following advantages and disadvantages: