26 Years of KDE

A tour through the moments that marked the 26 years of community history, starting with the technologies that made possible its existence. See our KDE 20 years book.


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En 1969, Ken Thompson y Dennis Ritchie comenzaron a trabayar n’UNIX. Escritu nel aniciu n’ensamblador, pronto lu reescribieron en C, un llingüaxe creáu por Ritchie y consideráu de nivel altu.

Thompson y Ritchie Thompson y Ritchie

Creóse C++

En 1979, Bjarne Stroustrup comenzó’l desendolcu de «C con clases» que dempués diba convertise en C ++. Na so opinión, yera l’únicu llingüaxe d’entós que permitía escribir programes que yeren eficientes y elegantes al empar.

Bjarne Stroustrup Bjarne Stroustrup

El comienzu del software llibre

En 1984, [Richard Stallman](https://stallman.org/biographies.html#serious comenzó’l desendolcu de GNU (GNU in Not Unix «GNU nun ye Unix»), un sistema operativu llibre dafechu basáu en Unix, que yera privativu.

Richard Stallman Richard Stallman

El kernel Linux

En 1991, Linus Torvalds creó’l kernel Linux basáu en MINIX, una versión d’Unix escrita por Andrew Tanenbaum. El xurdimientu de Linux revolucionó la historia del software llibre y ayudó a popularizalu. Mira la infografía de los 25 años de desendolcu del kernel Linux.

Linus Torvalds Linus Torvalds

Nacen les primeres distros

En 1993 xurdieron les primeres distribuciones llibres basaes en GNU y Linux. Una distribución GNU/Linux componse del kernel Linux, les ferramientes y biblioteques de GNU, y más aplicaciones.

GNU y Tux GNU y Tux

Creóse Qt

En 1995, la compaña noruega Troll Tech creó’l framework multiplataforma Qt, col que se crearía KDE al añu siguiente. Qt convirtióse na base fundamental de les teunoloxíes de KDE nestos 20 años. Deprendi más tocante a la historia de Qt.

Logotipu de Qt Logotipu de Qt

Anuncióse KDE

En 1996, Matthias Ettrich anunció la creación del Kool Desktop Environment (KDE), una interfaz gráfica d’usuariu pa sistemes Unix, fecha con Qt y C ++, y diseñada pal usuariu final. El nome «KDE» yera un xuegu de pallabres del entornu gráficu CDE, que yera privativu daquella. Llei l’anunciu orixinal del proyeutu KDE.

Matthias Ettrich Matthias Ettrich

Conferencia KDE One

En 1997, alredor de 15 desendolcadores de KDE aconceyaron n’Arnsberg (Alemaña) pa trabayar nel proyeutu y aldericar el so futuru. Esti eventu conocióse como KDE One.

L'archivu de Cornelius Schumacher L'archivu de Cornelius Schumacher

KDE Beta 1

La versión beta 1 de KDE llanzóse puramente 12 meses dempués del anunciu del proyeutu. El testu del llanzamientu enfatizaba que KDE nun yera un xestor de ventanes, sinón un entornu integráu nel que’l xestor de ventanes yera namás otru componente.

Captura de pantalla de KDE Beta 1 Captura de pantalla de KDE Beta 1

Fundóse KDE e.V

In 1997, KDE e.V., the nonprofit that represents the KDE community financially and legally, was founded in Tübingen, Germany.

Logotipu de KDE e.V. Logotipu de KDE e.V.

Creóse la KDE Free Qt Foundation

The foundation agreement for the KDE Free Qt Foundation is signed by KDE e.V. and Trolltech, then owner of Qt. The Foundation ensures the permanent availability of Qt as Free Software.

Konqui con Qt nel corazón Konqui con Qt nel corazón

Llanzóse KDE 1

KDE released the first stable version of its graphical environment in 1998, with highlights as an application development framework, the KOM/OpenParts, and a preview of its office suite. See the KDE 1.x Screenshots.



In April 1999, a dragon is announced as the new animated assistant to the KDE Help Center. It was so charming that it replaced the previous project mascot, Kandalf, from version 3.x on. See the KDE 2 Screenshot showing Konqi and Kandalf.

Konqi Konqi

Conferencia KDE Two

N’ochobre de 1999, el segundu conceyu de desendolcadores de KDE celebróse n’Erlangen (Alemaña). Llei l’informe tocante a la conferencia KDE Two.

Group Photo (Cornelius Schumacher's Archive) Group Photo (Cornelius Schumacher's Archive)

L'escritoriu KDE

From the beta 1 version of KDE 2 it is possible to perceive a project naming change. The releases that once referred to the project as “K Desktop Environment”, began referring to it only as “KDE Desktop”.

Logotipu de KDE 2 Logotipu de KDE 2

Conferencia KDE Three Beta

N’ochobre de 1999, el segundu conceyu de desendolcadores de KDE celebróse n’Erlangen (Alemaña). Llei l’informe tocante a la conferencia KDE Two.

L'archivu de Cornelius Schumacher L'archivu de Cornelius Schumacher

Llanzóse KDE 2

KDE released its second version, featuring as main news Konqueror web browser and file manager; and the office suite KOffice. KDE had its code almost entirely rewritten for this second version. See the KDE 2.0 Screenshots.


El proyeutu de KDE

From the release announcement of version 2.1.2 there is also a change of the nomenclature. The announcements began referring to KDE as “KDE Project”.

Pantalla de chisca de KDE 2.1 Pantalla de chisca de KDE 2.1

KDE Women

In March 2001, the creation of community women’s group was announced. The KDE Women aimed to help increase the number of women in free software communities, particularly in KDE. Watch the video “Highlights of KDE Women” of the Akademy 2010.

Katie, la moza de Konqi Katie, la moza de Konqi

Conceyu KDE Three

In March 2002, about 25 developers gathered for the third KDE meeting in Nuremberg, Germany. KDE 3 was about to be released and the KDE 2 code needed to be migrated to the new library Qt 3.

Group Photo of KDE Three Group Photo of KDE Three


KDE released its third version, showing as important additions a new print framework, KDEPrint; the translation of the project for 50 languages; and a package of educational applications, maintained by the KDE Edutainment Project. See the KDE 3.0 Screenshots.


Conceyu de KDE e.V.

In August 2002, there was a meeting of board members of the KDE e.V. that was essential to establish how the organization works. At this meeting it was decided, among other things, that the brand “KDE” would be registered and that new members should be invited and supported by two active members of e.V..

Group Photo (Cornelius Schumacher's Archive) Group Photo (Cornelius Schumacher's Archive)

KDE 3.1

In version 3.1 the community presented KDE with a new look, a new theme for widgets, called Keramik, and Crystal as default theme for the icons. See KDE 3.1 New Feature Guide.

KDE 3.1 KDE 3.1


In August 2003, about 100 contributors of KDE from various countries gathered in a castle in the Czech Republic. The event was called Kastle and was the forerunner of Akademy, the event that would become the international annual meeting of the community.

Group Photo of Kastle Group Photo of Kastle

Akademy 2004

In August 2004, the first international meeting of the community took place. The event was held in Ludwigsburg, Germany, and launched a series of international events called “Akademy” which take place annually since then. The event got its name because it happened in the “Filmakademie” city film school. See the group photos of all Akademies.

Semeya grupal d'Akademy 2004 Semeya grupal d'Akademy 2004

KDE 3.5

KDE 3.5 was released. This version introduced several new features, among them, the SuperKaramba, a tool that allowed customize your desktop with “applets”; the Amarok and Kaffeine players; and the media burner K3B. See KDE 3.5: A Visual Guide to New Features.

KDE 3.5 KDE 3.5

Primer Akademy-Es

In March 2006, the first meeting of Spanish KDE contributors took place in Barcelona. Since then, Akademy-Es has turned into an annual event. Learn more about Spanish KDE contributors group.

Semeya de la primer Akademy-Es Semeya de la primer Akademy-Es

Conceyu KDE Four Core

In July 2006, the developers of the KDE core libraries gathered in Trysill, Norway, for the KDE Four Core meeting. The event was a kind of successor to the KDE Beta Three Conference and KDE Three Meeting and in it developers worked on the development of KDE 4 and stabilization of some core libraries to the project.

Group Photo (Cornelius Schumacher's Archive) Group Photo (Cornelius Schumacher's Archive)


In March 2007, several contributors of KDE and Gnome met in A Coruña, Spain, an event which sought to establish a collaboration between the two projects. The event became known as Guademy, a mixture of Guadec, the name given to the Gnome event with Akademy, KDE event name.

Group Photo of Guademy Group Photo of Guademy

KDE 4 Alpha 1

In May 2007, the alpha 1 version of KDE 4, codenamed “Knut”, was announced. This announcement showed a completely new desktop, with a new theme, Oxygen, new applications like Okular and Dolphin, and a new desktop shell, Plasma. See KDE 4.0 Alpha 1: A Visual Guide to New Features.

KDE 4 Alpha 1 KDE 4 Alpha 1

KDE 4 Development Platform

In October 2007, KDE announced the release candidate of its development platform consisting of basic libraries and tools to develop KDE applications.

Konqi developer Konqi developer


In 2008, the community announced the revolutionary KDE 4. In addition to the visual impact of the new default theme, Oxygen, and the new desktop interface, Plasma; KDE 4 also innovated by presenting the following applications: the PDF reader Okular, the Dolphin file manager, as well as KWin, supporting graphics effects. See KDE 4.0 Visual Guide.

KDE 4.0 KDE 4.0

La comunidá de KDE

From the announcement of version 4.1 on there was already a tendency to refer to KDE as a “community” and not just as a “project”. This change was recognized and affirmed in the rebranding announcement of the following year.

Comunidá de Konqis Comunidá de Konqis

Primer Camp KDE

In January 2009, the first edition of Camp KDE took place in Negril, Jamaica. It was the first KDE event in the Americas. After that, there were two more US-based conferences, in 2010 in San Diego, and another in 2011 in San Francisco.

Group Photo of 2009 Group Photo of 2009

Gran Canaria Desktop Summit

In July 2009, the first Desktop Summit, a joint conference of the KDE and Gnome communities, took place in Gran Canaria, Spain. The Akademy 2009 was held with this event.

Group Photo of DS 2009 Group Photo of DS 2009

1 millón d'unvios

La comunidá [algamó al cifra de 1 millón d’unvios](https://dot.kde.org/2009/07/20/ kde-reaches-1000000-commits-its-subversion-repository). Dende 500.000 en xineru de 2006 y 750.000 n’avientu de 2007, namás 19 meses dempués, los collaboradores algamaron la cifra del millón. L’aumentu nestes collaboraciones coincide col llanzamientu de KDE 4.

Active contributors at the time Active contributors at the time

First Randa Meetings

In September 2009, the first of a series of events known as Randa Meetings took place in Randa, in Swiss Alps. The event brought together several sprints of various community projects. Since then, Randa Meetings take place annually.

Group photo of first RM Group photo of first RM

Anovamientu de la marca

In November 2009, the community announced changes to its brand. The name “K Desktop Environment” had become ambiguous and obsolete and is replaced by “KDE”. The name “KDE” is no longer just referring to a desktop environment, but now represents both the community and the project umbrella supported by this community.

Brand graph Brand graph

KDE Software Compilation

From version 4.3.4 on, KDE announcements began to refer to the whole suite of products as ‘KDE Software Compilation’ (KDE SC). Currently, this trend is abandoned.

Brand Map Brand Map


In April 2010, the first meeting of Brazil KDE contributors took place. The event was held in Salvador, Bahia, and was the only Brazilian Akademy edition. From 2012 on, the event expanded to a meeting for all Latin American contributors.

Group Photo of Akademy-Br Group Photo of Akademy-Br

Join the Game

In June 2010, the KDE e.V. announced the supporting membership program “Join the Game”, which aims to encourage financial support to the community. By participating in the program you become a member of the KDE e.V., contributing to an annual amount and being able participate in the organization’s annual meetings.

Logotipu de JtG Logotipu de JtG

KDE SC 4.5

In August 2010, the community announced version 4.5 of its products: Development Platform, Applications and Plasma Workspaces. Each of them began to have a separate release announcement. One of the highlights of this version was the Plasma interface for netbooks, announced in version 4.4.

Captura de pantalla de Plasma Netbook Captura de pantalla de Plasma Netbook

Calligra Suite

In December 2010, the community announces the Calligra Suite, a split from the KOffice suite. KOffice was discontinued in 2011.

Calligra Suite logo Calligra Suite logo

Primer Conf KDE India

In March 2011, the first conference of the KDE and Qt community in India took place in Bengaluru. Since then, the event has taken place annually.

Group Photo of Conf India Group Photo of Conf India

Desktop Summit 2011

In August 2011, another joint conference of the KDE and Gnome communities took place in Berlin, Germany. Nearly 800 contributors from all over the world came together to share ideas and collaborate on various free software projects.

Group Photo of DS 2011 Group Photo of DS 2011

Plasma Active

The community released the first version of its interface for mobile devices, Plasma Active. Later, it was superseded by Plasma Mobile.

Captura de pantalla de Plasma Active Captura de pantalla de Plasma Active

Primer LaKademy

In April 2012, the first meeting of the KDE contributors in Latin America, LaKademy, took place. The event was held in Porto Alegre, Brazil. The second edition took place in 2014 in São Paulo, and since then has been an annual event. So far, all editions were held in Brazil, where the highest number of contributors from the Latin American community is based.

Group Photo of LaKademy 2012 Group Photo of LaKademy 2012

KDE Manifesto

KDE Manifesto, a document that presents the benefits and obligations of a KDE project, was released. It also introduces the core values that guide the community: Open Governance, Free Software, Inclusivity, Innovation, Common Ownership, and End-User Focus.

KDE Manifesto Art KDE Manifesto Art

El Konqui nuevu

In December 2012, the community launched a competition to create a new mascot using Krita. The competition winner was Tyson Tan, who created new looks for the Konqi and Katie.

Konqi rediseñáu Konqi rediseñáu

Cambéu del ciclu de llanzamientos

In September 2013, the community announced changes in the release cycle of its products. Each of them, Workspaces, Applications, and Platform, now have separate releases. The change was already a reflection of the restructuring of KDE technologies. This restructuring resulted in the next generation of community products, which would be released the following year.

Graph of the KDE technologies separated Graph of the KDE technologies separated

Frameworks 5

Llanzóse la primer versión de Frameworks 5 (KF5), el socesor de KDE Platform 4. Esta xeneración nueva de les biblioteques de KDE basaes en Qt 5 fizo que’l desendolcu de la so plataforma fore más modular y acenciello’l desendolcu multiplataforma.

La evolución del desendolcu de les teunoloxíes de KDE La evolución del desendolcu de les teunoloxíes de KDE

Plasma 5

Release of the first stable version of Plasma 5. This new generation of Plasma has a new theme, Breeze. Changes include a migration to a new, fully hardware-accelerated graphics stack centered around an OpenGL(ES) scenegraph. This version of Plasma uses as base the Qt 5 and Frameworks 5.

Captura de pantalla de Plasma 5 Captura de pantalla de Plasma 5

GCompris xúnese a KDE

In December 2014, the educational software suite GCompris joins the project incubator of KDE community. Bruno Coudoin, who created the project in 2000, decided to rewrite it in Qt Quick to facilitate its use on mobile platforms. It was originally written in GTK+.

Logotipu de GCompris Logotipu de GCompris

Plasma Mobile

La comunidá [anunció Plasma Mobile](https://dot.kde.org/2015/07/25/plasma-mobile -free-mobile-platform), una interfaz pa teléfonos intelixentes qu’usa les teunoloxíes de Qt, Frameworks 5 y Plasma Shell.

Semeya de Plasma Mobile Semeya de Plasma Mobile

Plasma en Wayland

The first live image of Plasma running on Wayland was made available for download. Since 2011, the community works in support of Wayland by KWin, the Compositor of Plasma, and the Window Manager.

KWin en Wayland KWin en Wayland

Plasma 5.5

Anuncióse la versión 5.5 con varies carauterístiques: iconos nuevos amestaos al estilu Breeze, sofitu pa OpenGL ES en KWin, avances na compatibilidá con Wayland, una fonte predeterminada nueva (Noto) y un diseñu nuevu.

Captura de pantalla de Plasma 5.5 Captura de pantalla de Plasma 5.5

KDE Neon

The community announced the inclusion of another project in its incubator, KDE Neon, based on Ubuntu. Developers, testers, artists, translators and early adopters can get fresh code from git as it is committed by the KDE community.

Captura de pantalla de Neon 5.6 Captura de pantalla de Neon 5.6

Akademy 2016 part of QtCon

Akademy 2016 took place as a part of QtCon in September 2016 in Berlin, Germany. The event brought together the Qt, FSFE, VideoLAN and KDE communities. It celebrated 20 years of KDE, 20 years of VLC, and 15 years of FSFE.

QtCon banner QtCon banner

IU de Kirigami

Llanzóse Kirigami, un conxuntu de componentes QML pa desendolcar aplicaciones basaes en Qt pa preseos móviles y d’escritoriu.

Logotipu de Kirigami Logotipu de Kirigami

KDE presenta la so visión del futuru

In early 2016, as a result of a survey and open discussions among community members, KDE has published a document outlining its vision for the future. This vision represents the values that its members consider most important: “A world in which everyone has control over their digital life and enjoys freedom and privacy.” The idea in defining this vision was to make clear what are the main motivations that drive the community.

KDE announced the Advisory Board

In order to formalize the cooperation among the community and the organizations that have been its allies, KDE e.V. announced the Advisory Board. Through the Advisory Board, organizations can provide feedback on community activities and decisions, to participate in regular meetings with KDE e.V., and to attend to Akademy and community sprints.

KDE celebró los 20 años

On October 14, KDE celebrated its 20th birthday. The project that started as a desktop environment for Unix systems, today is a community that incubates ideas and projects which go far beyond desktop technologies. To celebrate its anniversary the community published a book written by its contributors. We also had parties been held in eight countries.

KDE 20 years art by Elias Silveira KDE 20 years art by Elias Silveira

Anúnciase'l KDE Slimbook

In partnership with a Spanish laptop retailer the community announced the launch of the KDE Slimbook, a ultrabook that comes with the KDE Plasma and KDE Applications pre-installed. The laptop offers a pre-installed version of KDE Neon and can be purchased from the retailer’s website.

KDE Slimbook KDE Slimbook

Anúnciase la QtCon de Brasil

Inspired by QtCon 2016, which took place in Berlin and brought together the KDE, VLC, Qt and FSFE communities, KDE community in Brazil hosted QtCon Brasil in 2017. The event was held in São Paulo and brought together Qt experts from Brazil and abroad in two days of talks and one day of training.

KDE set goals

KDE sets its goals for the next four years. As part of an effort undertaken by its members since 2015, the community has defined three main objectives for the coming years: to improve the usability and productivity of its software, to ensure that its software helps to preserve the privacy of users and to facilitate the contribution and integration of new collaborators.


Handshake Foundation donates USD 300,000 to KDE

In 2018, the Handshake Foundation made a donation of USD 300,000 to KDE e.V. The money was used to finance projects, fund the development of Calligra Office Suite and to continue our commitment to keep creating free and open source software for users worldwide.

Handshake Foundation Handshake Foundation

Debian Joins KDE Advisory Board

Debian, the famous Linux distribution founded in 1993, joined KDE’s Advisory Board to further deepen the collaboration between both communities. With this, we expect both communities to grow even stronger and to keep working together to build FLOSS projects.

Debian Community Debian Community

The Pineapple fund donates USD 200,000 to KDE

Pineapple, an anonymous philanthropic fund, donated USD 200,000 to KDE e.V in 2018. This allowed KDE to keep paying for all the expenses related to our community, such as sprints and events.

Pineapple Fund Pineapple Fund

KDE-powered newspaper achieves world first

The Janayugom daily newspaper becomes the first in the world to switch to a completely free software stack for its publication. The regional paper has 100,000 subscribers across Kerala, India. An event celebrating the move is attended by the state’s Chief Minister. Plasma, Okular, Krita, and more are deployed on systems across 14 different offices.

KDE adopts GitLab as an online development platform

In 2019, KDE transitioned to GitLab as our main DevOps platform. This change allowed the KDE community to work more efficiently and to lower the bar for new contributors to join us. Our GitLab instance can be found on KDE Invent.

KDE adopts GitLab KDE adopts GitLab

New goals for 2019

KDE announces a new slate of goals for the near future at Akademy 2019. The community has whittled down a long list of proposals and chose to prioritize a consistent user experience across all KDE software, getting KDE apps into the hands of users with the help of new packaging methods, and improving the Wayland session.

KDE adopts Matrix as an Instant Messaging Platform

Matrix, an Open Source, decentralized and secure Instant Messaging platform, became the default and recommended way of communication for those who like their instant messaging graphical. Matrix allows community members to use a web-based, desktop or mobile clients, as well as native KDE clients, such as Neochat. IRC channels still exist and are bridged to Matrix, ensuring that members using different systems can communicate easily with each other. Likewise Telegram channels, although these are not considered official, as Telegram does not open source the code for its servers or encryption methods.


KDE PinePhone Announced

KDE’s Plasma Mobile developers team up with PINE64 to create the PinePhone KDE Community Edition, a mobile phone that runs solely Free Software, is easy to hack and protects your privacy.

KDE PinePhone KDE PinePhone

GCompris celebrates its 20th Anniversary and is deployed in thousands of schools in Kerala, India

In 2020 GCompris celebrated its 20th birthday and was also deployed in many schools in Kerala, India. KDE educational applications have been helping students around the world for decades and are part of the KDE Educational Project.

GCompris in Malayalam GCompris in Malayalam

Slimbook Becomes a KDE Patron

Slimbook, a Linux-focused Spanish computer brand, has joined KDE as a Patron. They have been offering a variety of computers with GNU/Linux and Plasma for years, and continue to support KDE and open source with their contributions.

Alejandro López (right), CEO at Slimbook, with Adriaan de Groot from the KDE e.V. board. Alejandro López (right), CEO at Slimbook, with Adriaan de Groot from the KDE e.V. board.

PINE64 joins KDE as a Patron

PINE64 is a company that aims to deliver affordable, high-quality phones and other devices with open source software. PINE64 has become a KDE Patron after years of shipping devices with KDE software.

PinePhone - KDE Community Edition PinePhone - KDE Community Edition

TUXEDO Computers Becomes a KDE Patron

TUXEDO Computers offers a variety of products with GNU/Linux and KDE Plasma pre-installed. They have been supporting open source software for years and now they have become KDE Patrons.

Herbert Feiler, CEO of TUXEDO Computers. Herbert Feiler, CEO of TUXEDO Computers.

Valve chooses KDE Plasma for Steam Deck

Valve, the creators of Steam, announced their portable gaming computer called Steam Deck has KDE Plasma as the default desktop experience. KDE developers have been working with Valve to make Plasma work well with Steam Deck.

KDE Plasma running on Steam Deck KDE Plasma running on Steam Deck