Basilisk vs Opera

Basilisk is an open-source web browser based on the Goanna rendering engine, a fork of Mozilla's Gecko. It aims to provide a classic browser interface with XUL extension support while maintaining modern web standards compatibility.

Opera is Chromium-based browser with a built-in VPN, ad blocker, and sidebar integrations for messaging apps.. It is available under a free model. This tool falls under the browsers category.