Final answer:
Open-source software is also known as freeware, which refers to software that is released with a license that allows users to use, modify, and distribute the software for free.
Step-by-step explanation:
Open-source software is also known as freeware. It refers to software that is released with a license that allows users to use, modify, and distribute the software for free. Open-source software is typically developed by a community of volunteers who collaborate on the software's development and improvement.