Open Source Projects

Everything we build in the open, from the core SDK to the small packages we extracted along the way.

assistant-ui

TypeScript/React library for AI chat.

Safe Content Frame
Sandboxes for HTML. Built for MCP Apps and Generative UI.
2M /wk
Generative Frame
Stream model-written HTML and SVG widgets into sandboxed frames.
9.2k /wk
Diagrammatic
Seventy chart forms, drawn on the server as SVG.
22 /wk
@assistant-ui/tap
Zero-dependency reactive primitives.
2.7M /wk
tw-shimmer
Tailwind v4 plugin for shimmer effects.
729.3k /wk