Open-source software refers to software where the primary source code is made available to the public. This availability permits users to inspect, modify, and enhance the code, fostering a collaborative development model. Unlike proprietary software, which restricts access to the underlying code, open-source models operate under specific licenses that govern how the code can be shared and adapted. This paradigm facilitates global contributions, allowing diverse groups of developers to build upon a common foundation. The accessibility and inherent transparency of the source code are key technological features, often leading to increased reliability, enhanced security through collective scrutiny, and a wider range of customized applications across various technological platforms.