Yes, if your browser is Chromium-based
Caves of Wonders (CoW) is a Chromium extension, so you can install it in Chromium-based browsers as well as Chrome. This includes Microsoft Edge, Brave, and Opera.
Install from the Chrome Web Store
Open the Chrome Web Store using the button below, then add Caves of Wonders (CoW) in the browser you use. After installation, follow setup to begin organizing your bookmarks.