Build complete products and ecosystems — with declarative UI.
Crystal Class Library® (CCL) provides a unified cross-platform foundation, from embedded systems to desktop, mobile, and browser platforms, designed for long-lived, maintainable software and hardware-integrated products.
One foundation. Every major platform.
Build for Windows, macOS, iOS/iPadOS, Android, Linux, and the web from a shared codebase. Extend to RTOS and bare-metal systems with the Core Library.
Available on GitHub
Get the source code and SDK for building with Visual Studio, VS Code, Xcode, and Android Studio.
