Spring WebSocket
Spring WebSocket: An open-source Spring Framework module for Java WebSocket handlers, STOMP messaging, and broker relays. Ranked #7 of 55 in WebSocket Tools by our editors (8.2/10); pricing: Free plan; best for java teams needing STOMP and broker options.
At a glance
- Editor score8.2 / 10
- PricingFree plan
- Best forJava teams needing STOMP and broker options
- Free planYes
- Paid fromNone
- Deployment modelLibrary
- Founded2003
- Facts checked28 Sep 2026
Where it wins
- Provides server- and client-side WebSocketHandler APIs
- Supports STOMP endpoints with an in-memory broker or external relay
- Includes SockJS fallback and RabbitMQ and ActiveMQ relay support
Where it doesn't
- Java-only client coverage limits language choice
- Library deployment requires a Spring application rather than a hosted service
- Support channels are documentation
Our verdict on Spring WebSocket
Spring WebSocket is a module in the open-source Spring Framework for building client- and server-side applications that handle WebSocket messages. It suits Java teams that want to add real-time messaging to Spring applications, especially when they need STOMP alongside direct WebSocket handling. The module is self-hosted and deployed as a library, rather than as a separately hosted service; its client coverage is Java-focused.
Messaging options are a key strength. Teams can configure STOMP over WebSocket endpoints, route messages to annotated controller methods, and use an in-memory broker for subscriptions and broadcasting. For deployments that need an external broker, Spring WebSocket supports relaying to RabbitMQ or ActiveMQ. It also includes STOMP-over-WebSocket and STOMP-over-TCP clients. This makes it a fit for Java systems that need pub/sub and broker choices, while teams seeking language-neutral client SDK coverage or a managed service should consider alternatives.
The module also offers direct WebSocketHandler APIs, Java and XML endpoint configuration, customizable HTTP handshake interceptors and handlers, and SockJS as an HTTP-based transport fallback. These capabilities give Spring teams control over connection handling and fallback behavior within the framework. The trade-off is that adoption belongs in a Spring application and entails operating the deployment yourself. Support is listed through documentation, so teams that require a hosted product or other support channels may prefer a different tool. For Java teams already choosing a library-based approach, its combination of WebSocket, STOMP, and broker relay options is the central reason to consider it.
Spring WebSocket pricing
Spring WebSocket fact sheet
| Free plan | Yes |
|---|---|
| Paid from | None |
| Deployment model | Library |
| Free concurrent connections | Not verified |
| Pub/sub messaging | Yes |
| Self-hosting available | Yes |
| Client SDKs | Java |
| Protocol support | WebSocket, STOMP, SockJS |
| Deployment | Self-hosted |
| Support | Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 2 integrations: RabbitMQ, ActiveMQ |
| Pricing | Free plan |
| Website | docs.spring.io |
| Facts checked | 28 Sep 2026 |
Spring WebSocket integrations
Spring WebSocket lists 2 integrations on its own site.
- RabbitMQ
- ActiveMQ
Alternatives to Spring WebSocket
- Socket.IOAn open-source library for real-time apps, with transport fallback and reconnection built in.9.3
- Ably Pub/SubFeature-rich managed pub/sub, with a free tier and paid plans from $29/month.8.8
- Azure Web PubSubA managed Azure service for real-time apps that need WebSockets, pub-sub, and scale.8.7
See all Spring WebSocket alternatives →
Spring WebSocket vs the competition
- Spring WebSocket vs Socket.IO
- Spring WebSocket vs Ably Pub/Sub
- Spring WebSocket vs Azure Web PubSub
- Spring WebSocket vs Fastly Fanout
- Spring WebSocket vs Pusher Channels
- Spring WebSocket vs Action Cable
Compare Spring WebSocket with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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