Welcome to GUI-lite

The smallest header-only GUI library (4 KLOC) for all platforms.

• 中文

Lightweight

• ✂️Small: 4,000+ lines of C++ code, zero dependency, header-only(GuiLite.h)

• ⚡Fast: High Rendering performance, even work on MCU

• 👫🏻Compatible: Work smoothly with 3rd party frameworks(Qt/MFC/Winform/Cocoa/Web)

• ⚙️️Hardware Minimum Requirements:

  Processor	Disk/ROM space	Memory
  24 MHZ	29 KB	9 KB

Cross platform

• Supported OSes: iOS/macOS/WatchOS, Android, Linux, Windows, RTOS... or MCU without OS
• Supported languages: C/C++, Swift, Java, Javascript, C#, Golang...
• Supported 3rd party libraries: Qt, MFC, Winforms, CoCoa...

Hero features

• ☁️Cloud + IoT Solution: master your IoT business all over the world
• 🔣Multi-language, supports UTF-8;📀Playback Video
• 🔨Toolkit for building font/image resources
• 📐Layout GUI WYSIWYG
• 📊Code Telemetry and Analysis in real time(remove .sh/.bat files if dislike to share)
• 📦Supports 3D and Web
• 🐋Run in docker with a single command: sudo docker run -it --privileged -v /dev:/dev-share idea4good/gui-lite:latest bash /run.sh

Easy to learn and support

Even a C beginner could master GUI-lite quickly. The source code only uses basic C++ features (class, virtual function). We chose C++ as it could make the code size significantly smaller and easier to read.

• 📚Documentation
  • How to use GUI-lite?
  • Design specification
  • How to Layout widgets?
  • How to build unicode font/bitmap resource?
  • How to switch theme?
  • How to dispatch messages?
  • UML chart of GUI-lite core
• 📈Learning steps
  1. Build GUI-lite library
  2. Build/Debug HelloXXX demos
  3. Read/Modify HelloXXX/UIcode/UIcode.cpp code
  4. Read/Modify widgets code
  5. Read/Modify core code
  6. Build your GUI framework
• 📞Reach out us if you have any questions you are welcomed to our developer family.
• 🀄️Mirror repository in China

Demo wall

• Zero dependency, 100% build pass & runnable
• Click the demo you like, and run it on your hardware
• Most of the demos have about 100 lines of UI code, code repository is here.

MCU platform

3D on STM32	Wave on STM32	Particle on STM32	Star on STM32
3D wave on STM32	Keyboard on STM32	Mario on STM32	3D circle on STM32
3D donut on STM32	Timer	Molecule move	Pendulum effect

IoT feature

Monitor IoT device on cloud	Code Telemetry & Analysis in real time
Track IoT device over the world

Multi-language, Design tool and video

Lattice Font	Freetype Font
Layout GUI	Render JPG file quickly
Play video with FFmpeg

Widgets & Controller

Emulate Windows UI	Scroll widget
How to use widgets	3D Nets on Windows/Linux
Transparent dialog	Swipe view

Cross platform

HostMonitor on Windows	HostMonitor on Mac	HostMonitor on Android
HostMonitor on Windows Mixed Reality	HostMonitor on Linux	3D on Web
3D on Web	HostMonitor on iPhone	How display work

Apple platform

3D on Apple Watch

Wave on Apple Watch

Particle on iPhone

📞Community Channel

Thanks for the help from the community, you all make GUI-lite better! And welcome to any new friend to join us.

• @Twitter
• QQ group code:

開發群🔑：938682319