Qt

C++

17 Alternatives To Qt

ATS

American Thoracic Society

C

One of the most widely used programming languages of all time

Electron

Build cross platform desktop apps with web technologies

Elixir

Dynamic, functional language designed for building scalable and maintainable applications

Flutter by Google

Build beautiful native apps in record time 🚀
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GTK

GTK+ is a multi-platform toolkit for creating graphical user interfaces.

Gambas

Gambas is a full-featured object language and development environment built on a BASIC interpreter.

Lara

Lara Web Engine is a C# Web UI framework supporting web component development and reactive programming. - integrativesoft/lara

NIM

GB64.COM is the home of The Gamebase Collection of C64 games.
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OCaml

(* Binary tree with leaves carrying an integer.

Pony

The antidote for your email overload

Python

Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.

Quasar Framework

SPA front-end on steroids.

Rust

A safe, concurrent, practical language. Rust is blazingly fast and memory-efficient: with no runtime or garbage collector, it can power performance-critical services, run on embedded devices, and easily integrate with other languages.

Zig

Zig is a general-purpose programming language designed for robustness, optimality, and maintainability.

wxWidgets

wxWidgets: Cross-Platform GUI Library