Realtime

Supabase provides a globally distributed Realtime service with the following features:

• Broadcast: Send low-latency messages between clients. Perfect for real-time messaging, database changes, cursor tracking, game events, and custom notifications.
• Presence: Track and synchronize user state across clients. Ideal for showing who's online, or active participants.
• Postgres Changes: Listen to database changes in real-time.

What can you build?

• Chat applications - Real-time messaging with typing indicators and online presence
• Collaborative tools - Document editing, whiteboards, and shared workspaces
• Live dashboards - Real-time data visualization and monitoring
• Multiplayer games - Synchronized game state and player interactions
• Social features - Live notifications, reactions, and user activity feeds

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