QT
- The other famous toolkit, providing widget-based high-level APIs to develop graphical applications
- Implemented in C++
- the C++ library is required on the target system
- standard API in C++, but with bindings for other languages
Works either on top of
- Framebuffer
- X11
- Wayland
Qt is more than just a graphical toolkit, it also offers a complete development framework: data structures, threads, network, databases, XML, etc.
- See our presentation Qt for non graphical applications presentation at ELCE 2011 (Thomas Petazzoni): http://j.mp/W4PK85
- Qt Embedded has an integrated windowing system, allowing several applications to share the same screen
- Very well documented
- Since version 4.5, available under the LGPL, allowing proprietary applications