Onemark for Chrome is a free extension developed by Wael Rabadi. It is designed to complement the Onemark App, which is a browser-independent solution for organizing and searching captured sites. The Onemark App is open source, and its releases can be found on GitHub. To use Onemark, simply select the setup for your system, download it, and install it. With Onemark, you can aggregate your browser working sessions into a single, manageable application. It offers a convenient way to view and access your captured sites in an organized and searchable manner. So give Onemark a try and enjoy a more streamlined browsing experience!