Qt
Qt - Write once, deploy everywhere with rich native UI
Qt is a cross-platform C++ framework for building high-performance GUI applications with optional QML for rapid UI development.
Official WebsiteCategory
Mobile & Cross-platform
First Release
1995
License
GPLv3/LGPLv3 commercial options
Maintained By
Trolltech (later Qt Company)
Latest News
OpenAI Releases GPT-4o With Real-Time Multimodal Capabilities
OpenAI has introduced GPT-4o, a new flagship model that offers faster, native processing of audio, vision, and text in real time.
Qt Network module patched for use-after-free vulnerability in HTTP/2
Qt has released patches for versions 6.11.3 and 6.12.0 to address a use-after-free vulnerability in the QNetworkAccessManager HTTP/2 implementation.
Qt Patches High-Severity QXmlStreamReader DoS Flaw in Versions Through 6.11.1
CVE-2026-16762, a CVSS 8.7 denial-of-service bug in Qt's QXmlStreamReader, affects Qt 4.3.0 through 6.8.8 and 6.9.0 through 6.11.1, and is fixed in Qt 6.8.9, 6.11.2 and 6.12.0.
KeePassXC 2.8.0 Released With Qt6 Support and Native ARM64 Builds
The latest release of KeePassXC transitions the password manager to the Qt6 framework while introducing native ARM64 support, Wayland integration, and enhanced SSH agent capabilities.
Kate Adds QML Hot Reloading and Qt Labs Introduces StyleKit
The Kate editor gains QML hot reloading for faster UI iteration while the Qt Labs team unveils StyleKit for unified styling across Widgets and Qt Quick.
KDE Announces Development Priorities for 2026-2028 Cycle
At Akademy, KDE unveiled three core objectives for the upcoming cycle focusing on enterprise deployment, improved documentation, and next-generation interface styling.
Difficulty
Moderate because it blends C++ core with optional QML, requires understanding of signals/slots, build systems, and cross-platform nuances.