Helidon 27.0.0
JDK alignment, Helidon Messaging & complete Declarative coverage Read more
Write Your Next Microservice with Helidon
Simple and Fast
Helidon is designed to be simple to use, with tooling and examples to get you going quickly. Helidon WebServer is the world's first web server written from scratch that is fully based on virtual threads.
Helidon WebServer
Helidon WebServer provides a modern functional programming model and runs on virtual threads. Lightweight and flexible, the Helidon WebServer provides a simple-to-use and fast foundation for your microservices.
Observable and Resilient
With support for health checks, metrics, telemetry and fault tolerance, Helidon has what you need to write cloud-ready applications that integrate with OpenTelemetry, Prometheus, Jaeger/Zipkin and Kubernetes.
Persistence Support
Helidon fully supports DB connectivity. Its database client supports existing JDBC drivers as well as relational and non-relational databases.
No Magic! Just Java!
Helidon applications are standalone JVM processes without custom bootstrap or reflection.
Learn about Helidon Core
- High performance
- Small footprint
- Fast startup time
- Few third-party dependencies
- Programmatic & Declarative
WebServer.builder()
.addRouting(HttpRouting.builder()
.get("/greet", (req, res)
-> res.send("Hello World!")))
.build()
.start();Memory Footprint
Disk Space Usage
Startup Time
Cloud Native Ecosystem
Featured News and Insights
Join our Community & Start Using Helidon
Helidon is completely Open Source! YOU decide what Helidon is and will be!