Libraries for Qt

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FREE

Advanced Docking System

Lets you create customizable layouts using a full-featured window docking system.

https://github.com/githubuser0xFFFF

FREE

Android OpenSSL support

Provides OpenSSL scripts and binaries for Android.

The Qt Company

FREE

Attica

Open Collaboration Service client library.

The KDE Community

FREE

Baloo

File indexing and file search framework for KDE Plasma.

The KDE Community

FREE

BluezQt

A library for communication with the BlueZ system and session daemons.

The KDE Community

FREE

Breeze Icons

A freedesktop:org compatible icon theme.

The KDE Community

FREE

CTK

Toolkit for biomedical image computing.

Julien Finet

FREE

Cutelyst

A Web Framework, using the simple approach of Catalyst (Perl) framework.

Daniel Nicoletti

FREE

EasyQtSql

Lightweight header-only C++11 library for quick and easy SQL querying with QtSql classes.

Alexey Kramin

FREE EVAL

Felgo

It allows you to accelerate Qt development and improve efficiency with Qt tools and 200+ APIs.

FELGO GmbH

FREE

Http

A wrapper for the Qt Network Access API.

Flavio Tordini

FREE

JKQtPlotter

This is an extensive Qt5 Plotter framework (including a feature-richt plotter widget, a speed-optimized, but limited variant and a LaTeX equation renderer!), written fully in C/C++ and without external dependencies.

Jan Krieger

FREE

JS Timer Events

This extension adds JS timer events to Qt5.

Smith AR

FREE

KActivities

Core components for the KDE Activity concept.

The KDE Community

FREE

KActivitiesStats

Library to access the usage statistics data collected by the KDE activity manager.

The KDE Community

FREE

KArchive

Reading, creating, and manipulating file archives.

The KDE Community

FREE

KAuth

Execute actions as a privileged user.

The KDE Community

FREE

KBookmarks

Lets you access and manipulate bookmarks stored using the XBEL format.

The KDE Community

FREE

KCalendarCore

Library provides access to and handling of calendar data.

The KDE Community

FREE

KCMUtils

Provides various classes to work with KCModules.

The KDE Community

FREE

KCodecs

It provides a collection of methods to manipulate strings using various encodings.

The KDE Community

FREE

KCompletion

Powerful completion framework, including completion-enabled line-edit and combo box.

The KDE Community

FREE

KConfig

It provides an advanced configuration system.

The KDE Community

FREE

KConfigWidgets

It provides easy-to-use classes to create configuration dialogs.

The KDE Community

FREE

KContacts

It provides an API for contacts/address book data following the vCard standard (RFC 2425 / RFC 2426).

The KDE Community

FREE

KCoreAddons

Qt addon library with a collection of non-GUI utilities.

The KDE Community

FREE

KCrash

Graceful handling of application crashes.

The KDE Community

FREE

KDBusAddons

Convenience classes for D-Bus.

The KDE Community

FREE

KDeclarative

Integration of QML and KDE workspaces.

The KDE Community

FREE

KDESu

The user interface for running shell commands with root privileges.

The KDE Community

FREE

KDNSSD

Network service discovery using Zeroconf.

The KDE Community

FREE

KEmoticons

Convert text emoticons to graphical emoticons.

The KDE Community

FREE

KFileMetaData

It provides a simple library for extracting the text and metadata from a number of different files.

The KDE Community

FREE

KGlobalAccel

Global desktop keyboard shortcuts.

The KDE Community

FREE

KGuiAddons

Utilities for graphical user interfaces.

The KDE Community

FREE

KHolidays

Dates for holidays and other special events.

The KDE Community

FREE

KI18n

KDE Gettext-based UI text internationalization.

The KDE Community

FREE

KIconThemes

Icon GUI utilities.

The KDE Community

FREE

KIdleTime

Reporting of idle time of user and system.

The KDE Community

FREE

KImageFormats

Plugins to allow QImage to support extra file formats.

The KDE Community

FREE

KInit

Helper library to speed up the start of applications on KDE workspaces.

The KDE Community

FREE

KIO

Network transparent access to files and data.

The KDE Community

FREE

Kirigami2

A set of QtQuick components for mobile use targeting both Plasma Mobile and Android.

The KDE Community

FREE

KItemModels

Set of item models extending the Qt model-view framework.

The KDE Community

FREE

KJobWidgets

Widgets for showing the progress of asynchronous jobs.

The KDE Community

FREE

KNewStuff

Framework for downloading and sharing additional application data.

The KDE Community

FREE

KNotifications

Desktop notifications.

The KDE Community

FREE

KNotifyConfig

Configuration dialog for desktop notifications.

The KDE Community