Proprietary software is also known as the Closed Source Software means the company that develop the software owns the software and no one may duplicate it or distribute it without the companies permission.
Users have to pay for the software use. If they want to use the proprietary software.
i.e Microsoft Office 2016, Adobe Fireworks, Adobe Photoshop, Windows 10 etc.
Open Source Software
Open source software is a software that is free to use and which provides the original source code used to create it so that advanced users can modify it to make it work better for them.
i.e Ubuntu, Linux, Blender, Lnkscape Mozilla Firefox 3.0 etc.