Free software, software libre, or libre software is computer software that is distributed along with its source code, and is released under a software license that guarantee users the freedom to run the software for any purpose as well as to study, adapt/modify, and distribute the original software and the adapted/changed versions. Free software is often developed collaboratively by volunteer computer programmers.
Free software differs from proprietary software (such as Microsoft Windows), which to varying degrees does not give the user freedoms to study, modify and share the software, a...