Qt is cross-platform software for creating graphical user interfaces as well as cross-platform applications that run on various software and hardware platforms such as Linux, Windows, macOS, Android or embedded systems with little or no change in the underlying codebase while still being a native application with native capabilities and speed.
KHTML is a discontinued browser engine that was developed by the KDE project. It originated as the engine of the Konqueror browser in the late 1990s, but active development ceased in 2016. It was officially discontinued in 2023.
KDevelop is a free and open-source integrated development environment (IDE) for Unix-like computer operating systems and Windows. It provides editing, navigation and debugging features for several programming languages, and integration with build automation and version-control systems, using a plugin-based architecture.
KolourPaint is a free and open-source raster graphics editor by KDE. It is similar to Microsoft Paint before the version shipped with Windows 7, but has some additional features such as support for transparency, color balance and image rotation.
This article compares computer software tools that are used for accomplishing comparisons of files of various types. The file types addressed by individual file comparison apps varies but may include text, symbols, images, audio, or video. This category of software tool is often called "file comparison" or "diff tool", but those effectively are equivalent terms — where the term "diff" is more commonly associated with the Unix diff utility.
Poppler is a free software utility library for rendering Portable Document Format (PDF) documents. Its development is supported by freedesktop.org. It is commonly used on Linux systems, and is used by the PDF viewers of the open source GNOME and KDE desktop environments.
K Desktop Environment 2 was the second series of releases of the K Desktop Environment. There were three major releases in this series.
KTechLab is an IDE for electronic and PIC microcontroller circuit design and simulation; it is a circuit designer with auto-routing and a simulator of common electronic components and logic elements.
KWrite is a lightweight text editor developed by the KDE free software community. Since K Desktop Environment 3, Kwrite has been based on the Kate text editor and the KParts framework, allowing it to use many of Kate's features.
LightDM is a free and open-source X display manager that aims to be lightweight, fast, extensible and multi-desktop. It can use various front-ends to draw the user interface, also called Greeters. It also supports Wayland.
Maliit is an input method framework for computers with particular focus on implementing virtual keyboards. Designed mostly for touchscreen devices, Maliit allows the inputting of text without the presence of a physical keyboard. More advanced features such as word correction and prediction are also available.
mpv is free and open-source media player software based on MPlayer, mplayer2 and FFmpeg. It runs on several operating systems, including Unix-like operating systems and Microsoft Windows, along with having an Android port called mpv-android. It is cross-platform, running on ARM, PowerPC, x86/IA-32, x86-64, and MIPS architecture.
Phabricator is a suite of web-based development collaboration tools, which includes a code review tool called Differential, a repository browser called Diffusion, a change monitoring tool called Herald, a bug tracker called Maniphest, and a wiki called Phriction.
KDE Frameworks is a collection of libraries and software frameworks readily available to any Qt-based software stacks or applications on multiple operating systems. Featuring frequently needed functionality solutions like hardware integration, file format support, additional graphical control elements, plotting functions, and spell checking, the collection serves as technological foundation for KDE Plasma 5 and KDE Gear distributed under the GNU Lesser General Public License (LGPL).
Simple Desktop Display Manager (SDDM) is a display manager for the X11 and Wayland windowing systems. SDDM was written from scratch in C++11 and supports theming via QML.
VOGL is a debugger for the OpenGL rendering API intended to be used in the development of video games. VOGL was originally written at RAD Game Tools and Valve. VOGL is free and open-source software subject to the terms of the MIT License.
The KDE Gear is a set of applications and supporting libraries that are developed by the KDE community, primarily used on Linux-based operating systems but mostly multiplatform, and released on a common release schedule.
Lumina Desktop Environment, or simply Lumina, is a plugin-based desktop environment for Unix and Unix-like operating systems. It is designed specifically as a system interface for TrueOS, and systems derived from Berkeley Software Distribution (BSD) in general, but has been ported to various Linux distributions.
FeatherPad is a free software text editor available under the GPL-3.0-or-later license. It is developed by Pedram Pourang of Iran, written in Qt, and runs on FreeBSD, Linux, Haiku OS and macOS. It has few dependencies and is independent of any desktop environment.
