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Utilities & Security
KDE's free, open-source lightweight browser with built-in ad blocking
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Basilisk
Free, open-source browser with a classic pre-Quantum Firefox interface
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About Basilisk
Basilisk is a free and open-source desktop browser built on the Unified XUL Platform, keeping the traditional Firefox-style interface from before the Firefox 57 redesign. It supports XUL and overlay extensions, NPAPI plugins and extensive customisation, using the Goanna rendering engine on Windows, Linux and macOS.
Basilisk website preview
Live preview of basilisk-browser.org via the WordPress mShots service — it can take a few seconds to generate on a first visit.
Basilisk: strengths & things to check
Strengths
- Completely free to use — this directory lists no paid plan for it.
- Covers web browser, open source, xul, classic interface — see the focus areas listed in its key facts.
- Has 6 close alternatives in the same category on this page, so switching or comparing is easy.
Things to check
- Free tools can change their model or shut down — avoid locking critical work into it without an export path.
- Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
- It is one of 1194 tools in the Utilities & Security category here — compare it against the alternatives below before you commit.
Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.
Basilisk pricing
| Pricing model | Free — listed in this directory as a free tool, with no paid plan required to use it. |
|---|---|
| Free access | Yes — fully free |
| Current plan prices | Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale. |
| Official site | basilisk-browser.org |
Basilisk key facts
- Category: Utilities & Security
- Pricing: Free — listed in this directory as a free tool, with no paid plan required to use it.
- Focus areas: web browser, open source, xul, classic interface
- Official site: basilisk-browser.org
Basilisk FAQ
How much does Basilisk cost?
Free — listed in this directory as a free tool, with no paid plan required to use it. Current plans and prices are listed on the official site (basilisk-browser.org).
What is Basilisk used for?
Free, open-source browser with a classic pre-Quantum Firefox interface Its focus areas in the Utilities & Security category: web browser, open source, xul, classic interface.
Where can I try Basilisk?
On its official site, basilisk-browser.org — the Visit Official Site button above goes straight there.
Basilisk vs alternatives
| Basilisk | Falkon | Floorp | K-Meleon | |
|---|---|---|---|---|
| Pricing | Free — listed in this directory as a free tool, with no paid plan required to use it. | Free — listed in this directory as a free tool, with no paid plan required to use it. | Free — listed in this directory as a free tool, with no paid plan required to use it. | Free — listed in this directory as a free tool, with no paid plan required to use it. |
| Focus areas | web browser, open source, xul, classic interface | web browser, open source, kde, lightweight | web browser, open source, firefox fork, customisation | web browser, open source, lightweight, windows |
| Official site | basilisk-browser.org | falkon.org | floorp.app | kmeleonbrowser.org |
| Directory status | Listed | Listed | Listed | Listed |
Side-by-side from each listing's own directory data. Full alternative cards are below.
About the Utilities & Security category
Password managers, cloud storage, and VPNs for everyday digital security. The Utilities & Security category on Tools Hub currently lists 1194 tools. Alongside Basilisk, it includes K-Meleon, Falkon, qutebrowser, Nyxt.
Alternatives to Basilisk
Tools in the same Utilities & Security category that share focus areas with Basilisk — worth comparing before you commit:
F
Utilities & Security
Free, open-source Firefox-based browser built for customisation
K
Utilities & Security
Extremely lightweight, free open-source browser for Windows
L
Utilities & Security
Truly independent open-source browser engine built from scratch
L
Utilities & Security
Privacy-hardened, open-source Firefox fork with telemetry removed
M
Utilities & Security
Free, open-source privacy browser with zero telemetry by the Astian Foundation
More in Utilities & Security
Comparing tools in the Utilities & Security category? These related listings are worth a look: K-Meleon — Extremely lightweight, free open-source browser for Windows; Falkon — KDE's free, open-source lightweight browser with built-in ad blocking; qutebrowser — Keyboard-driven, vim-like browser that is free software under the GPL.
KUtilities & Security
Extremely lightweight, free open-source browser for Windows
FUtilities & Security
KDE's free, open-source lightweight browser with built-in ad blocking
Q
Utilities & Security
Keyboard-driven, vim-like browser that is free software under the GPL
N
Utilities & Security
Keyboard-driven, Lisp-extensible browser that is open and free
LUtilities & Security
Truly independent open-source browser engine built from scratch
MUtilities & Security
Free, open-source privacy browser with zero telemetry by the Astian Foundation