You pay a premium for Photoshop, Windows, and macOS—but they wouldn't exist without free, open-source building blocks ...

Open source software is a vital part of modern computing; it’s involved in much of the software we use every day. But is it too good to be true, and is it really free, in either sense of the word?

When you hear the term "open source," it's talking about any publicly accessible design that people are free to change and share as they please. It started with software development, with code that ...