Flux2

Judgement

What it is

Complete system

What it does

A set of Kubernetes controllers that keep clusters in sync with Git repositories and OCI artifacts, managing Kustomize and Helm releases and automating image updates.

Adopt it when

You want GitOps for Kubernetes driven fully by controllers and CRDs, without needing a central UI.

Watch out

No built-in web UI, and Weaveworks, its original sponsor, shut down in 2024, though the CNCF project continues.

Ready for

Production-ready

Runs as

Self-hosted server and command line

Built with

Go, Kubernetes, Helm and Kustomize

How established

Established: started 6 years ago, latest release v2.10.0.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Flux2 → Go → runs on a microchip

How compilers were built, back to punched paper tape

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