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Software · Web browsers

Catalyst

A minimal, functional, and customizable user-focused FOSS web browser.

  • Completely free
  • Linux
  • Open source

Overview

Catalyst is a web browser, available on Linux.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “A minimal, functional, and customizable user-focused FOSS web browser” — Flathub, 10 November 2026

At a glance

Catalyst is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • Commercial use allowed

About

Catalyst is designed to be easy to use and provides a minimalistic interface for browsing the web. It is also open-source and free to use.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from LicitPro automatic classification () —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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