If Windows is your OS of choice, consider these open-source apps. There are tons of open-source apps for just about any task. These are all free to install and use on Windows. I've been using ...
On the flip side, there’s the sprawling, unwalled garden of free and open-source software (FOSS) where the "free" part is a nice add-on to the "open-source" cake. Anyone with coding chops could audit ...