Pusher is a hosted service that makes it easy to add real-time data and functionality to web and mobile applications.
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Best Yjs Alternatives ranked by AI · updated Aug 2026
Yjs is an open-source CRDT framework for building collaborative applications with shared data types and offline support. It is suited to developers who want control over synchronization, persistence, and hosting rather than a fully managed collaboration service.
Top 6 Yjs alternatives
Firebase is a mobile and web application development platform developed by Google. It offers a variety of features including a real-time database,...
Free tier available, pricing varies for higher usage
Liveblocks is a developer platform for adding real-time collaboration to React and other web applications. It provides synced rooms, presence, comments, notifications,...
Pros
- Purpose-built collaboration primitives reduce implementation work compared with generic realtime databases
- React-focused APIs cover presence, comments, rooms, and synchronized data
- Includes managed infrastructure rather than requiring teams to operate WebSocket servers
Cons
- More expensive than assembling a basic realtime layer with Firebase or Supabase
- Less suitable than general-purpose backends for complex business data and server workflows
- React-centric APIs are less convenient for teams using other frontend stacks
Free; paid plans from $30/mo
4
Supabase is an open-source alternative to Firebase offering real-time database and authentication services.
Pros
- Open-source
- Real-time database
Cons
- Relatively new, may have limited community support
Free tier available, paid plans based on usage
5
Convex
Convex
Convex is a reactive backend platform with a TypeScript database, server functions, authentication integrations, and automatic real-time synchronization. It is designed for...
Pros
- More seamless reactive data model than Genezio for collaborative and real-time interfaces
- TypeScript functions and generated types reduce API synchronization work
- Built-in reactivity simplifies live updates without separate realtime infrastructure
Cons
- Less suitable than Supabase or AWS for arbitrary SQL and complex relational queries
- Smaller ecosystem and shorter track record than Firebase
- Platform-specific data and function model increases migration effort
Free tier; paid plans available
6
Ably
Ably
Ably is a hosted realtime messaging platform for pub/sub, presence, history, push notifications, and streaming data. It is aimed at teams building...
Pros
- Stronger transport reliability and global messaging infrastructure than Liveblocks
- Supports many protocols and client platforms beyond React applications
- Presence, message history, ordering, and delivery guarantees are well developed
Cons
- Requires significantly more application code for document collaboration
- Does not provide Liveblocks-style synced storage or collaboration components
- Usage-based pricing can be harder to estimate for high-volume traffic
Free tier; usage-based paid plans
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