Slint
Build native user interfaces with Slint, an open-source declarative GUI toolkit for Rust, C++, JavaScript, and Python.
About Slint
Slint is an open-source declarative GUI toolkit for building native user interfaces for embedded systems, desktops, and mobile platforms. UIs are written once in .slint markup describing elements, placement, hierarchy, property bindings and data flow, then connected to business logic in Rust, C++, JavaScript or Python and compiled to native code. It provides Live Preview, editor integrations, slint-viewer, SlintPad and a Figma to Slint plugin, with examples and docs in the repository.
Pricing is not clearly stated.
Key features
- Declarative .slint markup for UI definition
- Business logic in Rust, C++, JavaScript or Python
- Targets embedded, desktop, mobile and web through WebAssembly
- Live Preview and editor integrations via LSP Server
- Figma to Slint plugin for design import
- Examples, demos and docs in the repository
Best for: Developers and designers building native interfaces who want to separate UI definition from business logic.
Slint at a glance
- Website
- github.com/slint-ui/slint
- Category
- Development › Developer Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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