What is ​​Closed Source?

Also called proprietary software, closed-source projects are the opposite of open-source projects. That means the source code behind the software is not available to the public, nor is there an agreement in place to allow developers to independently adapt or improve upon that code.

For example, IOS is the closed-source phone operating system used in Apple phones, while Android is the open-source operating system used by Samsung and other companies.

Proprietary software is the most common type of software in many industries, including entertainment software, but open-source projects have a strong following in collaborative fields like education and scientific research.

Closed-source has been the dominant model for commercial software for decades, primarily because keeping code under wraps is an effective way to protect trade secrets. Many SaaS (software as a service) applications rely on closed-source code, but using that approach tends to decrease interoperability, which is not always desirable. 

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eThink is an eLearning provider that offers fully-managed learning management solutions for open-source Moodle and Totara Learn. eThink provides a dynamic and customizable LMS solution that makes meeting eLearning goals easy.