Open-source might not be the first thing you think of with Windows, but these free tools can seriously boost your productivity.

Free Opener truly can open a large amount of formats, including documents, spreadsheets, presentations, PDFs, media, and code. Sadly, it can’t edit most of them.

If you're tired of having to jump through hoops to open files with sudo privileges in the GNOME File Manager, Jack Wallen has just the trick you need.