CrosManager by CrosExperts is a free Chrome add-on that provides users with a comprehensive set of monitoring tools for their Chromebooks. With this program, users can keep an eye on CPU usage, RAM usage, temperature, and more, allowing them to optimize their device's performance. Additionally, CrosManager offers convenient features such as the ability to change the browser font with just one click and access in-depth information about default and attached screens.

The add-on also includes control over extensions, allowing users to enable or disable them with a simple click. It even provides a hover feature that displays the permissions used by each extension. CrosManager also offers quick commands to enable or disable web rules, a context menu unblocker, and a copy/paste unblocker for websites that restrict clipboard access.

For users who want more advanced features, CrosManager offers a Pro version for $2.99. The Pro version includes network monitoring, quick proxy setup, an app editor for customizing bookmark apps and PWAs, CrosKeys integration for keyboard control, and unlimited alerts. Pro users can also personalize their alerts with custom sounds.

It's important to note that CrosManager is specifically designed for Chrome OS and may not work fully on other operating systems. Additionally, some Pro features require an internet connection.

Overall, CrosManager by CrosExperts is a powerful tool for Chromebook users who want to take control of their device's performance and customize their browsing experience.