There are many benefits to using open-source software. Some of the main advantages include:

Cost: Open-source software is typically free to use, which can save organizations and individuals a significant amount of money.

Customization: The open nature of the source code allows developers to modify the software to suit their specific needs.

Collaboration: The open-source community allows developers to collaborate and share their knowledge, leading to more rapid development and innovation.

Transparency: With open-source, the code is open for anyone to see, which increases transparency and allows for more security.

Accessibility: Open-source software is typically more widely available and accessible to a larger number of people, including those in developing countries.

Open-source software is used by many organizations and individuals, from small businesses to large enterprises and governments. Some examples of popular open-source software include Linux, Apache, Firefox, and WordPress.

Open-source software is often developed, supported and maintained by a community of developers, which can make the software more reliable, and with the right community, can offer better support than proprietary software.