Basilisk is a free and Open Source XUL-based web browser, featuring the well-known Firefox-style interface and operation. It is based on the Goanna layout and rendering engine (a fork of Gecko) and builds on the Unified XUL Platform (UXP), which in turn is a fork of the Mozilla code base without Servo or Rust.
Basilisk is no longer developed by the Pale Moon team. It is now developed by a team of developers independent from the Pale Moon project. Click here to learn more.
Basilisk is intended to be a potential replacement for pre-Servo versions of Firefox. It can also be considered a reference implementation for building a browser on top of the UXP platform.
Basilisk is considered to be a stable piece of software at this time. This means that it does not change for the sake of change. We only make changes if we actually feel they are beneficial for users, unlike Mozilla who treats Firefox's interface as if it is a fashion show with new designs every week.
To put it simply, if you want something that just works and doesn't break your workflow on every update then Basilisk is for you.
Basilisk is provided as-is, with potential defects. Like any other Free and Open Source Software community project, it comes without any warranty or promise of fitness for any particular purpose.
Basilisk supports a wide array of features required for the Modern Web, including advanced scripting, WebRTC, CSS v3, HTML5 and downloadable font support.
It also fully supports all NPAPI plugins (e.g. Java, Unity web player, Media plugins, Authentication plugins).
XUL extensions are also supported. Most XUL extensions compatible with Firefox 52 should work.
Further details can be found on the features page.
In one word: No.
This browser is currently developed by the Basilisk Browser Development Team, and is a fully independent fork of the Mozilla/Firefox code.
This browser was originally created by the team behind the Pale Moon Browser.
You can find the release notes for the browser here.
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