nuklear VS RmlUi

Compare nuklear vs RmlUi and see what are their differences.


A single-header ANSI C immediate mode cross-platform GUI library (by Immediate-Mode-UI)


RmlUi - The HTML/CSS User Interface library evolved (by mikke89)
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nuklear RmlUi
60 20
8,016 2,174
1.5% -
0.0 8.8
7 days ago 7 days ago
C C++
- MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of nuklear. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-09-13.


Posts with mentions or reviews of RmlUi. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-06-23.

What are some alternatives?

When comparing nuklear and RmlUi you can also consider the following projects:

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

imgui-node-editor - Node Editor built using Dear ImGui

libui - Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.

NanoGUI - Minimalistic GUI library for OpenGL

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

GTK+ - Read-only mirror of

libRocket - libRocket - The HTML/CSS User Interface library

raygui - A simple and easy-to-use immediate-mode gui library

webview - Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).

FTXUI - Features: - Functional style. Inspired by [1] and React - Simple and elegant syntax (in my opinion). - Support for UTF8 and fullwidth chars (→ 测试). - No dependencies. - Cross platform. Linux/mac (main target), Windows (experimental thanks to contributors), - WebAssembly. - Keyboard & mouse navigation. Operating systems: - linux emscripten - linux gcc - linux clang - windows msvc - mac clang

Elements C++ GUI library - Elements C++ GUI library