IoT monitoring dashboard for vaccine cold chains. Features real-time data visualization (Recharts), GraphQL subscriptions, and a high-fidelity simulation engine.

• Websitehttps://www.coldtrace.app
• Sourcehttps://github.com/utoker/coldtrace
• Built withNext.js 15 / TypeScript / GraphQL / Recharts / Zustand / Turborepo / shadcn ui