Don't forget Notepad++. And honourable mention: voidtools Everything. It's freeware, not open-source, but it's the best search utility for Windows around. It b

Don't forget Notepad++. And honourable mention: voidtools Everything. It's freeware, not open-source, but it's the best search utility for Windows around. It beats the Windows Explorer / startmenu built-in search on every single axis, to a comical degree.