Sites Matrix Viewer is a free Chrome add-on developed by sngt. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools subcategory. This program allows users to put their favorite sites on the NewTab Page and view them all at once.

With Sites Matrix Viewer, users can add up to 16 sites in a 4x4 grid layout. This feature enables users to have a quick overview of their favorite websites without the need to open multiple tabs. However, it is important to note that the sites are arranged in the order of entry, as sorting functionality will be included in a future update.

It is worth mentioning that while the majority of websites work seamlessly with this extension, there have been reports of some major websites not functioning properly. The developer acknowledges this issue and assures users that they are actively working on fixing these compatibility problems one by one.

Overall, Sites Matrix Viewer provides a convenient way to access and view multiple websites simultaneously, making it a useful tool for users who frequently visit their favorite sites.