Top 12 Open-Source Alternatives to Dear ImGui

The top open-source alternatives to Dear ImGui are GTK, wxWidgets, and Xamarin. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

GTK Landing Page
1

GTK

GTK+ is a multi-platform toolkit for creating graphical user interfaces.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #IDE 6 social mentions
wxWidgets Landing Page
2

wxWidgets

wxWidgets: Cross-Platform GUI Library
Pricing:
- Open Source
#Development Tools #Rapid Application Development #Cross-Platform Development 6 social mentions
Xamarin Landing Page
3

Xamarin

Create iOS, Android and Mac apps in C#
Pricing:
- Open Source
#Developer Tools #App Development #Development Tools 26 social mentions
Onsen UI Landing Page
4

Onsen UI

HTML5 Hybrid Mobile App UI Framework - work with Angular, React, Vue, Meteor & pure JavaScript. Material & Flat design.
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 2 social mentions
Dear PyGui Landing Page
5

Dear PyGui

Dear PyGui is a simple to use (but powerful) Python GUI framework. Dear PyGui provides a wrapping of Dear ImGui which simulates a traditional retained mode GUI (as opposed to Dear ImGui's immediate mode paradigm).
Pricing:
- Open Source
#IDE #Text Editors #Game Engine
NativeScript Landing Page
6

NativeScript

Build truly native apps with JavaScript
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 18 social mentions
Apache Cordova Landing Page
7

Apache Cordova

Platform for building native mobile applications using HTML, CSS and JavaScript
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 43 social mentions
Framework 7 Landing Page
8

Framework 7

Full Featured HTML Framework For Building iOS Apps
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 14 social mentions
Qt Landing Page
9

Qt

Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.
Pricing:
- Open Source
#Development Tools #Rapid Application Development #GUI Frameworks
PhoneGap Landing Page
10

PhoneGap

Easily create apps using the web technologies you know and love: HTML, CSS, and JavaScript.
Pricing:
- Open Source
#Development Tools #JavaScript Framework #Javascript UI Libraries 1 social mentions
Box2D Landing Page
11

Box2D

A 2D Physics Engine for Games
Pricing:
- Open Source
#Game Engine #Javascript UI Libraries #IDE 18 social mentions
Nuklear Landing Page
12

Nuklear

A small ANSI C gui toolkit
Pricing:
- Open Source
#Developer Tools #IDE #Design Tools 5 social mentions