Flux is an open source GitOps toolkit for Kubernetes that keeps clusters in sync with Git repositories and handles continuous and progressive delivery. It supports Helm, Kustomize, and OCI artifacts, with automated container image updates, and works with GitHub, GitLab, Bitbucket, and S3-compatible buckets as sources. Flagger adds canary and A/B rollouts. Flux is a CNCF Graduated project, and version 2.9 was announced in June 2026. The project is open source and has no pricing.
How Flux CD compares with its closest alternatives
All 5 closest alternatives have a free plan, as Flux CD does. All 5 offer an API, as Flux CD does. Flux CD offers a desktop app. Of the alternatives, 4 offer a desktop app. Flux CD was founded in 2019; the alternatives were founded between 2016 and 2020, 4 of them earlier.
Market position · Security
How Flux CD compares in Security
Flux CD has moderate opportunity and sits in the bottom third of 361 live Security tools on FalcoScan. Across Security, the average opportunity score is 70.4 and the average saturation score 33. FalcoScan rates Flux CD's own market position as open. 121 of the 361 operating Security tools have hot momentum, and FalcoScan has recorded 1 shutdown in the category.
The closest alternatives to Flux CD that are still running, matched on the AI capabilities, uses and audience they share, are ArgoCD, Crossplane, Spacelift, Cilium, and Tekton.
Is Flux CD still running?
Yes. As of 2 November 2026, FalcoScan lists Flux CD as operating at fluxcd.io.
Does Flux CD have an API?
Yes. Flux CD offers an API.
Who is Flux CD for?
Flux CD is built for devops and platform engineers.
How do I sign in to Flux CD?
Sign in on Flux CD's own website, fluxcd.io. FalcoScan reviews Flux CD but does not run its accounts, so logins, passwords and billing are handled by Flux CD directly.