Chapter 2

Exploring the World of Open-Source Software

IN THIS CHAPTER

Check Exploring open-source concepts

Check Discovering examples of open-source projects

Check Understanding WordPress licensing

Check Applying WordPress licensing

Open-source software is a movement that started in the software industry in the 1980s. Its origins are up for debate, but most people believe that the concept came about in 1983, when a company called Netscape released its Navigator web browser source code to the public, making it freely available to anyone who wanted to dig through it, modify it, or redistribute it.

WordPress software users need a basic understanding of the open-source concept and the licensing upon which WordPress is built because WordPress’s open-source policies affect you as a user — and greatly affect you if you plan to develop plugins or themes for the WordPress platforms. A basic understanding helps you conduct your practices in accordance with the license at the heart of the WordPress platform.

This chapter introduces you to open-source; the Open Source Initiative (OSI); and the GNU General Public License ...

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