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Helidon

Cloud-native open-source Java framework for writing microservices on a web core that runs on virtual threads.

helidon.iorepositorydocs

Helidon is a Java microservices framework whose web core runs on virtual threads. The Helidon CLI’s helidon init command creates a quickstart project, which is built with Maven and run as a standalone JVM process.

Identity

Status
Active
Maintainer
Oracle and/or its affiliates1
First release
20185

Rendering and deploy

Runs as
Always on1
Install with
helidon init (Helidon CLI), Maven3

Releases

Current major version
275
Last release
2026-10-205

Adoption

GitHub stars
3,8412
Contributors
956

Why these figures do not compare

Sources

  1. 2026-10-26: links, Maintainer, Categories, Runs as
    helidon.io/
  2. 2026-10-26: links, Written in, License, GitHub stars
    api.github.com/repos/helidon-io/helidon
  3. 2026-10-26: links, Runtime, Minimum runtime, Install with
    helidon.io/docs/core/v27/
  4. 2026-10-26: License
    github.com/helidon-io/helidon/blob/main/README.md
  5. 2026-10-26: Current major version, Last release, First release
    api.github.com/repos/helidon-io/helidon/releases
  6. 2026-10-26: Contributors
    api.github.com/repos/helidon-io/helidon/contributors?per_page=1
  7. 2026-10-26: Databases
    helidon.io/docs/core/v27/raw/modules/dbclient.md

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