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Kubuntu

Kubuntu is a free, community-developed official Ubuntu flavour that combines Ubuntu with KDE Plasma and KDE applications.

Place
#30 of 42
Score
5.8
Kubuntu's website

What Kubuntu is

Kubuntu is a free, community-developed official Ubuntu flavour that combines Ubuntu with KDE Plasma and KDE applications. The current 26.04 LTS release is available for desktop PCs and laptops with AMD64 (x86-64) processors, and receives security and maintenance updates through April 2029. Included software spans KDE Gear apps such as Dolphin, Konsole, Okular, and Kdenlive, as well as Firefox and LibreOffice. Users can browse applications in Discover, alongside support for the APT package manager, Ubuntu archive applications, and Snap packages. The release includes text recognition in Spectacle, an integrated on-screen keyboard, and Plasma Wayland as its default supported session. Kubuntu releases every six months, with LTS versions published every two years in April. For 26.04 LTS, KDE Frameworks, Plasma 6.6 LTS, and KDE applications receive bug fixes and security updates during the release lifecycle. It can be installed on a desktop or laptop or used through live USB installation media. Community help is available through forums, Ask Ubuntu, and Matrix rooms.

Good

  • Free to download, use, distribute, and modify
  • 26.04 LTS updates continue through April 2029
  • Includes Firefox, LibreOffice, and KDE applications
  • Discover provides a way to browse applications
  • Can run from live USB media

Watch out

  • Available for Linux desktop and laptop use
  • 26.10 beta is for testing, not production
  • 26.04 LTS is listed for AMD64 processors

Who it suits

Kubuntu is intended for home users, schools, and businesses looking for a free Linux desktop for AMD64 desktop PCs or laptops.

Verdict

Kubuntu pairs an Ubuntu base with KDE's desktop and applications, with a long support period for its 26.04 LTS release. Its free distribution and included software make it a desktop option for home, school, and business users.

Plans and prices

From Kubuntu's own pricing page, checked 3 Oct 2026.

All about pricing
PlanPriceWhat it gives you
KubuntuFreeFree to download · free to use · free to distribute · free to modify

The facts

Each one read from Kubuntu's own pages, with the date it was checked.

What it does

Beta limitation
The Kubuntu 26.10 beta is a pre-release intended for testing, not production use, and systems may encounter instability.checked 3 Oct 2026
Community support
Kubuntu points users to its Discourse, KDE Forums, Ask Ubuntu, Kubuntu forums and community support rooms on Matrix.checked 3 Oct 2026
Current LTS
Kubuntu 26.04 LTS is available for desktop PCs and laptops and is supported with security and maintenance updates until April 2029.checked 3 Oct 2026
Desktop experience
The site says Kubuntu is ready to use with tools for work, creating and play, and describes Plasma as easy to use by default and customizable.checked 3 Oct 2026
Desktop features
Kubuntu 26.04 LTS includes text recognition in Spectacle, an integrated on-screen keyboard, and Plasma Wayland as the default supported session.checked 3 Oct 2026
Intended users
The 26.04 LTS release page names home users, schools and businesses among the users it is intended to serve.checked 3 Oct 2026
KDE LTS security
The Bullet-Proof KDE Software Initiative provides KDE bug fixes and security updates throughout the Kubuntu 26.04 LTS lifecycle, covering KDE Frameworks, Plasma 6.6 LTS and KDE applications.checked 3 Oct 2026
Matrix integration
Kubuntu uses the ubuntu.com Matrix server and provides rooms for support, discussion, developers, members and council.checked 3 Oct 2026
Release cycle
Kubuntu releases every six months, with LTS versions published every two years in April.checked 3 Oct 2026
Software discovery
The site says users can browse applications in Discover and customize the desktop.checked 3 Oct 2026
Software included
The 26.04 LTS release includes KDE Gear applications such as Dolphin, Konsole, Okular and Kdenlive, along with Firefox and LibreOffice.checked 3 Oct 2026
What it is
Kubuntu is a community-developed official Ubuntu flavour combining Ubuntu with KDE Plasma and KDE applications.checked 3 Oct 2026

The company

Founded
2004checked 28 Sep 2026
Maker and history
Kubuntu describes itself as community-developed and says it launched in October 2004; it does not state a headquarters on the about page.checked 3 Oct 2026

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