1. The problem
Many Java developers looking for a Socket.IO server eventually discover existing implementations, but often encounter:
- Limited maintenance activity
- Missing documentation
- Unclear compatibility status
- Lack of modern ecosystem integrations
2. Introducing SocketIO4j
SocketIO4j is an actively maintained Socket.IO server for the Java ecosystem, built on Netty and focused on production readiness, performance, and developer experience.
Project:
Every star, issue report, documentation improvement, and pull request helps make SocketIO4j a stronger real-time platform for the Java ecosystem.
If you find the project useful, please leave us a ⭐ on GitHub—it helps others discover the project and motivates contributors to keep improving it.
3. What makes it different?
Use a comparison table:
| Feature | SocketIO4j |
|---|---|
| Active maintenance | ✅ |
| Documentation | ✅ |
| Spring Boot integration | ✅ |
| Quarkus integration | ✅ |
| Performance benchmarks | ✅ |
| Memory leak testing | ✅ |
| Analytics/observability support | ✅ |
| Additional adapters | ✅ |
| Community support | ✅ |
4. Quick start
Show a minimal server example that can be run in under 2 minutes.
5. Why we forked / continued the project
Discuss:
- Keeping up with modern Java
- Fixing bugs
- Supporting production workloads
- Building a sustainable community
6. Roadmap
Examples:
- Improved clustering support
- Better observability
- Enhanced protocol compatibility
- More framework integrations
- WebTransport exploration
7. Call for contributors
Invite:
- Bug reports
- Documentation improvements
- Performance testing
- Framework integrations
Closing paragraph
Socket.IO remains one of the simplest ways to build real-time applications. Our goal with SocketIO4j is to provide the Java ecosystem with a modern, reliable, and actively maintained implementation that developers can confidently use in production.
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