Source code is defined as any collection of statements or declarations written in some human-readable computer programming language. The source code is basically the mode of communication between the programmer and the computer and contains instructions and details about how the computer is supposed to operate. In other words, it is the language the programmer uses to communicate with the computer and tell it what to do and how to display things. An open source code has a team of developers continuously making modifications and improvements to a code. However, anyone at anytime can download the code and make modifications and improvements on his or her end.
Source code is stored in text files, databases, or as code snippets on books or other media. Software and associated source code fall within two types of licensing: free or proprietary. Open source software is categorized as free and is easily available to the public. Many websites have source codes available for download via a simple link. The computer downloads it and makes the user able to access and modify the file.
Basically, the authors of the code are the developers and it is posted anywhere public (like websites).
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