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Home/Categories/Web Development/Falkon
icon of Falkon

Falkon

Open source alternative to Island Enterprise Browser and Palo Alto Networks Talon

An open-source, lightweight web browser built on QtWebEngine, offering speed, built‑in ad‑blocking, and deep integration with KDE Plasma for users seeking a fast, configurable browsing experience.

466 starsC++GPL-3.0Active this month
Visit websiteGitHub repo
Falkon preview
Contents
  1. 01Who Falkon is for
  2. 02The problem it solves
  3. 03How it solves it
  4. 04Strengths and trade-offs
  5. 05Tech stack
  6. 06FAQ
  7. 07Similar open-source tools
TL;DR

Falkon is a KDE web browser built on QtWebEngine for users who want a lightweight, open-source browser in the KDE and Qt ecosystem. It replaces heavier mainstream browsers for desktop users who prioritize native Qt integration. GPL-3.0 licensed.GPL-3.0 · C++ · 466 stars · Active this month

who it's for

Who Falkon is for#

KDE users wanting a native browser

Falkon fits Linux desktop users who prefer Qt and KDE-aligned applications.

Skip if:

You depend heavily on Chrome or Firefox enterprise features and extension ecosystems.

Developers testing QtWebEngine browsing

The source build path makes Falkon useful for developers exploring QtWebEngine browser behavior.

Skip if:

You only need a headless browser automation runtime.

the problem

The problem it solves#

Desktop users do not always want a browser tied to a large vendor ecosystem. On Linux and KDE desktops, browser choice also affects integration, resource use, toolkit consistency, and how native the application feels.

A smaller browser can be easier to understand and adapt, but it still needs a modern rendering engine and a maintained project behind it. Users need a realistic alternative that fits the desktop environment rather than another Chromium-branded package.

how Falkon solves it

How it solves it#

QtWebEngine browser

Falkon uses QtWebEngine as its rendering engine, giving it a modern web engine while staying in the Qt application ecosystem.

KDE project context

Falkon is maintained in KDE infrastructure and fits users already invested in KDE desktop tooling.

Source build path

The README includes build instructions using CMake and make for users who need to build from source.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Good KDE desktop fitFalkon is strongest for users who want a browser that feels aligned with Qt and KDE rather than a vendor-first browser stack.
  • Straightforward open-source browserThe project offers a focused browser option without positioning itself as a full productivity suite.

Trade-offs

  • -Not a drop-in enterprise browserTeams needing enterprise policy management, broad extension compatibility, or vendor support should compare Falkon carefully against mainstream browsers.
tech stack · detected from GitHub

What it's built on#

Languages
C++JavaScriptPython
frequently asked

FAQ#

What engine does Falkon use?

Falkon uses the QtWebEngine rendering engine.

Where can users download Falkon?

The README points users to the Falkon homepage for downloads.

What license does Falkon use?

GitHub metadata reports GPL-3.0 licensing for Falkon.

also worth a look

Similar open-source tools#

LibreWolf

LibreWolf

Privacy-hardened Firefox fork with all telemetry removed

256ShellMPL-2.0
Brave

Brave

Block ads and trackers by default in a Chromium-based browser

22.6KMPL-2.0
Ladybird

Ladybird

Browser with its own rendering engine, no Chrome or Firefox code

63.6KC++BSD-2-Clause
Midori Browser

Midori Browser

Fast private browser with tracker blocking and DNS-over-HTTPS

318JavaScriptMPL-2.0
Iridium Browser

Iridium Browser

Chromium-based browser with enhanced privacy and security

412BSD-3-Clause
Floorp

Floorp

Firefox fork with advanced privacy controls and UI customization

8.2KTypeScriptMPL-2.0

Repository

Stars
466
Forks
69
License
GPL-3.0
Last commit
14 days ago
Last verified
May 29, 2026
Repo
KDE/falkon ↗

Additional details

Language
C++
Open issues
0
Contributors
169
First release
2017

Categories

Web DevelopmentDeveloper ToolsSecurity & Monitoring

Tags

Web BrowsersPrivacy ToolsSecurityDeveloper Tools