Crest – an Arc-inspired open-source browser for Mac
Summary
Crest is an Arc-inspired open-source browser for Mac with native support on Mac, iPad, and iPhone. It features a sidebar, Spaces, Peek, Split View, per-space extensions, and iCloud sync, and ships with Chromium and WebKit engines. The project is licensed under MPL 2.0 and is not affiliated with Arc; security has not been independently audited as of now.