Pusher is a hosted service that makes it easy to add real-time data and functionality to web and mobile applications.
Starting from $0/month
Best Ably Alternatives ranked by AI · updated Aug 2026
Ably is a hosted realtime messaging platform for pub/sub, presence, history, push notifications, and streaming data. It is aimed at teams building reliable low-latency features across web, mobile, and backend systems.
Top 6 Ably alternatives
PubNub is a real-time messaging service that offers a secure and scalable solution for building chat applications, IoT devices, and real-time updates.
Varies based on usage
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
Socket.IO enables real-time, bidirectional and event-based communication.
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
Yjs is an open-source CRDT framework for building collaborative applications with shared data types and offline support. It is suited to developers...
Pros
- Offers powerful CRDT-based synchronization for collaborative documents
- Free to use and can be self-hosted, unlike Liveblocks' managed service model
- Supports offline editing and multiple persistence or transport providers
Cons
- Requires teams to choose and operate a sync provider or backend
- More implementation and operational work than Liveblocks
- Higher learning curve around CRDTs, persistence, and awareness state
Free, open source
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