Question

which is open source software

Answer 1

Open source software which is freely available. We can use without any restriction

Answer 2

Open-source software (OSS) is a type ofcomputer software whose source code is released under a license in which thecopyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.Open-source software may be developed in a collaborative public manner. According to scientists who studied it, open-source software is a prominent example of open collaboration.The term is often written without a hyphen as "open source software".