If you like Arc but would prefer if it was open source and/or non-Blink/Chromium, Zen is based on Firefox but with an Arc-like interface.
Arc (macOS) is ridiculously good though. It's become difficult/impossible for me to use another browser happily the past few years. I wish they were focused on it instead of their mediocre AI browser project. They decided to claim Arc windows was out of beta when it's still vastly worse than the mac version in just about every sense. But at least they got the core tab management features locked down (from what I've heard, I don't have a windows machine to try it on.)
> Miller said that Arc "isn't going anywhere" and would continue to receive stability updates and bug fixes
https://www.androidauthority.com/the-browser-company-plannin...