neoGFX Alternatives

imgui

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

JUCE

JUCE is an open-source cross-platform C++ application framework for desktop and mobile applications, including VST, VST3, AU, AUv3, LV2 and AAX audio plug-ins.

sciter

Sciter: the Embeddable HTML/CSS/JS engine for modern UI development

Ultralight

Lightweight, high-performance HTML renderer for game and app developers.

Dlib

A toolkit for making real world machine learning and data analysis applications in C++

FLTK

FLTK - Fast Light Tool Kit - https://github.com/fltk/fltk - cross platform GUI development

ultimatepp

U++ is a C++ cross-platform rapid application development framework focused on programmer's productivity. It includes a set of libraries (GUI, SQL, Network etc.), and integrated development environment (TheIDE).

cef

Chromium Embedded Framework (CEF). A simple framework for embedding Chromium-based browsers in other applications.

verdigris

Qt without moc: set of macros to use Qt without needing moc

nuklear

xtd

Free open-source modern C++20 framework to create console (CLI), forms (GUI like WinForms) and unit test (xUnit) applications and libraries on Windows, macOS, Linux, iOS, Android, FreeBSD, Haiku, and SerenityOS.

NanoGUI

Minimalistic GUI library for OpenGL

Duilib

QCustomPlot

GuiLite

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

GacUI

Native C++ UI library, cross-platform, MVVM and data binding, XML description, multi-language, core/renderer cross-process separation, etc

TGUI

Cross-platform modern C++ GUI

wxWidgets

Cross-Platform C++ GUI Library

ipr

Compiler-neutral Internal Program Representation for C++

SFGUI

Simple and Fast Graphical User Interface