Mercure
Communication APIs
Open protocol and reference implementation for real-time communications using Server-Sent Events for push updates.
Free planFree trialTiered plansEvent-Driven ArchitectureReal-Time Data Sync
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Webmaster Tools
Platforms for monitoring and managing website technical health, indexing, and search engine visibility.
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PartyKit
App Development Platform
Open source deployment platform for AI agents, multiplayer apps, and real-time collaboration using Cloudflare Durable Objects.
Free planFree trialApp Development PlatformAutonomous Agents Platforms
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Socket.IO
Webmaster Tools
Library enabling real-time bidirectional event-based communication between browser clients and servers with fallback support.
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Automerge
Webmaster Tools
CRDT library for building collaborative applications that automatically merge changes from multiple users without conflicts.
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Centrifugo
Webmaster Tools
Open source scalable real-time messaging server supporting WebSockets and SSE with built-in presence and history features.
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Soketi
Webmaster Tools
Open source WebSocket server compatible with the Pusher protocol providing a self-hosted real-time messaging solution.
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Replicache
Webmaster Tools
Client-side sync framework for building collaborative multiplayer web apps with offline-first conflict-free data.
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