--description--

Open-source projects are when the source code is made freely available and can be modified or shared. For example, the Firefox web browser is an open-source project, meaning anyone can see how it was made and can help improve it.

To work on something, especially with the preposition on, indicates putting effort into a task or project over time. Like when you say, I'm working on a new app, it means you're in the process of developing it.

--fillInTheBlank--

--sentence--

Hey, Sophie, what motivates you to work BLANK open-BLANK software projects in your free time?

--blanks--

on

--feedback--

This preposition is used to indicate involvement or engagement in a particular activity or project.

source

--feedback--

This part of the term refers to the origin or starting point, in this case, indicating that the software's foundational code is open and accessible to all.

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