The Complete Dart/Flutter SDK
Build Blockchain Apps with Polkadot
Type-safe, performant, and production-ready SDK for building decentralized applications on Polkadot and Substrate-based chains. One codebase for mobile, web, and desktop.
11 Packages
13+ Contributors
100% Dart Native
Web3 Foundation Grant
Why Choose Polkadart?
Polkadart is a comprehensive Dart/Flutter SDK for Polkadot, providing everything you need to build robust blockchain applications with type safety and excellent developer experience.
Developer-First Design
Built by developers for developers, with intuitive APIs, excellent documentation, and comprehensive examples.
100% Type-Safe
Auto-generated types from chain metadata ensure compile-time safety and eliminate runtime errors.
True Cross-Platform
Write once, deploy everywhere. Native performance on iOS, Android, Web, macOS, Windows, and Linux.
Lightning Fast
Native Dart compilation and optimized SCALE codec deliver exceptional performance on all platforms.
Smart Contract Ready
Full support for ink! smart contracts with type-safe contract calls and event handling.
Well-Maintained
Actively developed with comprehensive test coverage, regular updates, and responsive community support.