Valdi is a cross-platform UI framework that delivers native performance without sacrificing developer velocity. Write your UI once in declarative TypeScript, and it compiles directly to native views on iOS, Android, and macOS—no web views, no JavaScript bridges
Stories
Valdi is a cross-platform UI framework developed by Snap Inc., allowing developers to write declarative TypeScript and compile directly into native views on iOS, Android, and macOS — with no WebView and no JavaScript bridge.
It bridges the gap between web development speed and native performance, providing a seamless developer experience and blazing-fast apps.
💡 Valdi: “Write once, run native everywhere.”
Development History
📌 Before 2024 – Used internally at Snap Inc. for nearly 8 years, powering real production apps within the company’s ecosystem.
📌 2024 – Snap open-sourced Valdi, describing it as “Write UI once in declarative TypeScript, and it compiles directly to native views.”
📌 2025 – Present – Valdi gained massive attention from developers on GitHub and Hacker News as a next-generation cross-platform UI solution with native performance.
📌 2024 – Snap open-sourced Valdi, describing it as “Write UI once in declarative TypeScript, and it compiles directly to native views.”
📌 2025 – Present – Valdi gained massive attention from developers on GitHub and Hacker News as a next-generation cross-platform UI solution with native performance.
Key Features
🎯 True Native Performance – Compiles directly to native views, avoiding webviews or JS bridge overhead.
🧩 Declarative TypeScript – Familiar React-like component syntax that’s easy to learn and maintain.
🌍 Multi-Platform Support – One codebase targets iOS, Android, and macOS, with future expansion planned.
⚙️ Developer Velocity – Hot reload, modern dev tools, and optimized build flow for rapid iteration.
🧠 Ahead-of-Time Compilation – Eliminates runtime overhead for near-native speed.
🔌 Open Architecture – Easily extendable and integrable with existing app logic.
🧩 Declarative TypeScript – Familiar React-like component syntax that’s easy to learn and maintain.
🌍 Multi-Platform Support – One codebase targets iOS, Android, and macOS, with future expansion planned.
⚙️ Developer Velocity – Hot reload, modern dev tools, and optimized build flow for rapid iteration.
🧠 Ahead-of-Time Compilation – Eliminates runtime overhead for near-native speed.
🔌 Open Architecture – Easily extendable and integrable with existing app logic.
Why Choose Valdi?
✅ Native-level performance without compromise.
✅ Familiar TypeScript syntax for web developers.
✅ Faster development cycle with one shared codebase.
✅ Backed by Snap Inc., ensuring credibility and long-term vision.
✅ Open-source – Join the growing developer community and shape the future of cross-platform UI.
✅ Familiar TypeScript syntax for web developers.
✅ Faster development cycle with one shared codebase.
✅ Backed by Snap Inc., ensuring credibility and long-term vision.
✅ Open-source – Join the growing developer community and shape the future of cross-platform UI.
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