OpenList is a free browser add-on developed by Chris Dzombak. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools program. OpenList is designed to help users manage lists of URLs, making it convenient for those who frequently share lists of articles or web pages with others.

With OpenList, users can easily perform the following tasks:

• Select a list of URLs or search terms on any web page or textarea, and open them all in new tabs.
• Paste a list of URLs or search terms into a popup, and open them all in new tabs.
• Obtain a list of all tabs currently open in the window.

OpenList excels in its simplicity and efficiency. It focuses on one primary function - creating and opening lists of tabs - and performs it exceptionally well. It is a useful tool for individuals who need to manage and navigate through multiple URLs effortlessly.