8th June 2025
Tool
Multi-Tab Sync Chat
— Send chat messages that synchronize instantly across multiple browser tabs using the Broadcast Channel API. Each tab displays messages sent from other tabs with a sync indicator, allowing real-time communication without requiring a backend server. Open multiple tabs of this page to see messages propagate automatically across all instances.
Recent articles
- Notes on the xAI/Anthropic data center deal - 7th May 2026
- Live blog: Code w/ Claude 2026 - 6th May 2026
- Vibe coding and agentic engineering are getting closer than I'd like - 6th May 2026