Lightstreamer VS WebSocket-Node

Lightstreamer is a server for delivering real-time messages to browser-based and mobile...

A WebSocket Implementation for Node.JS ( Draft -08 through the final RFC 6455 )

Real-Time Data Delivery
Lightstreamer provides efficient real-time data streaming capabilities, ensuring that data is pushed to clients with low latency, which is critical for applications requiring live updates.
Scalability
The platform is designed to handle a large number of concurrent connections, making it suitable for applications ranging from small-scale to large-scale deployments.
Cross-Platform Compatibility
Lightstreamer supports a variety of platforms and programming languages, allowing developers to integrate it into diverse applications on web, mobile, and desktop.
Adaptive Streaming
It features adaptive bandwidth management and throttling, which optimizes the use of available network resources and maintains smooth data delivery under varying network conditions.
Easy Integration
The availability of various client libraries and extensive documentation makes it relatively easy for developers to integrate Lightstreamer into their applications.

Cost
Lightstreamer can be expensive for small businesses or projects with limited budgets, as pricing may increase with the scale of deployment.
Complexity
While powerful, Lightstreamer's feature-rich environment can present a steep learning curve for new users who are unfamiliar with real-time streaming technologies.
Server Dependency
As a server-based solution, Lightstreamer requires the maintenance and management of a dedicated server infrastructure, which may be a disadvantage for some organizations.
Limited Offline Support
Being primarily a real-time streaming service, Lightstreamer offers limited functionality when offline or in poor network conditions, which might require additional handling by developers.

Simplicity
WebSocket-Node provides a straightforward and easy-to-use API that allows developers to quickly set up WebSocket communication in Node.js.
Compliance
It implements the WebSocket Protocol as outlined in RFC6455, ensuring compatibility with the standard WebSocket implementation.
Event-Driven
Designed to leverage Node.js's event-driven architecture, allowing for efficient real-time data exchange.
Lightweight
Being a lightweight library, it doesn't add significant overhead to applications, which is beneficial in terms of performance.
Community Support
As an open-source project available on GitHub, it has an active community that contributes to its improvement and maintenance.

Limited Features
Compared to more comprehensive libraries, WebSocket-Node might lack some advanced features or extensions that are available in more complete frameworks.
Maintenance
Depending on community contributions for updates and fixes can lead to uncertainty in terms of long-term maintenance and support.
Scalability
Handling a very large number of concurrent connections might require additional consideration and architecture adjustments, as it is fundamental.
Lack of Built-in Reconnection Logic
The library does not include native support for automatic reconnection, which developers need to implement manually if needed.