Arc vs Opera GX

Arc is a Chromium-based web browser developed by The Browser Company that reimagines the browser interface with features like Spaces for organizing tabs, a sidebar-first design, and built-in tools for capturing and annotating web content.

Opera GX is Gaming-oriented variant of Opera with CPU/RAM limiters, Twitch integration, and a customizable gaming aesthetic.. It is available under a free model. This tool falls under the browsers category.