The Cross-Platform App Development Leader. The mobile SDK for the Web.

An open source mobile UI toolkit for building modern, high quality cross-platform mobile apps from a single code base. A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

Ionic Framework @ GitHub.

Build better UI with AI using Codex.

Save time building professional UI with AI, then use analytics to understand your visitors and improve conversions.

• TypeUI @ GitHub.

A minimal CSS toolkit. The standards-first, full-featured CSS library for the modern web.

Utilities, elements, blocks, and templates. Highly configurable. Endlessly themeable. Zero JavaScript. Works with your favorite framework or straight-up HTML.

• Graffiti UI @ GitHub.

Related contents:

• #1031: My Coding Skills Are Atrophying @ Syntax.

Declarative GUI for Rust, C++, JavaScript & Python.

Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps. Write your UI once in .slint, a simple markup language. Connect it to business logic written in Rust, C++, JavaScript, or Python.

• Slint @ GitHub.

Related contents:

• Slint - Un toolkit GUI pour Rust, C++, JS et Python @ Korben :fr:.