Type-safe, headless TanStack primitives with Lit support for routing, data, UI, UX, and tooling.
Data & State
Powerful asynchronous state management, server-state utilities and data fetching
Framework agnostic data store with reactive framework adapters
UI
Headless, type-safe table and data-grid infrastructure
A chart grammar you don't have to outgrow.
Headless UI for building performant and type-safe forms
UX
Headless UI for Virtualizing Large Element Lists
Framework agnostic debouncing, throttling, rate limiting, queuing, and batching utilities
Type-safe keyboard shortcuts, sequences, and key state tracking for your apps