

Before the emergence of Google Chrome, Firefox is the most-used modern web browser along with Internet Explorer. Firefox is the most popular open source web browser. If you curious about which are the popular web browsers that listed as the open source software, here is the list. Firefox, the most popular open source web browser, is built using Gecko while Google Chrome is built using Blink. Gecko and Blink are the popular engines of web browser. Generally, most web browsers available today are built using either Gecko or Blink. Commonly, an open source software is released under a certain license that comply with the Open Source Definition. In fact, there are some web browsers that are built based on Firefox.

Firefox, on the other hand, is an open source and free software since all people can use it for free and they also has the ability to see the source code of the browser. But, the two are not open source software since the developers don’t offer their source code to be learnt by other parties. In the context of web browser, Google Chrome and Opera are two examples of free software. And conversely, not all free software are open source. First, an open source software is’t always free. There is one thing you need to note when discussing about open source software. This browser becomes so popular because it’s released as a cross-platform software so more people can use it. Firefox is by far the most popular open source web browser.
