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TL;DR - Flux
- Flux is a GitOps toolkit for keeping Kubernetes clusters in sync with configuration sources
- It automates deployments by watching Git repos and applying changes continuously
- Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups
Score: 84/100
Pros & Cons
Pros
- GitOps for Kubernetes
- CNCF graduated
- Good Helm support
- Image automation
- Active development
Cons
- Learning curve
- ArgoCD competition
- Documentation dense
- Debugging complex
- UI limited
Key Features
GitOpsKubernetesHelmKustomizeMulti-tenancyCNCF
Pricing Plans
Most Popular
Free
Free
Open source
- GitOps
- Progressive delivery
- Multi-tenancy
- CNCF project
About Flux
By Toolradar Team·
Flux is GitOps for Kubernetes from the CNCF. Your Git repository defines what runs in your clusters, and Flux makes reality match—continuous deployment that's declarative and auditable.
The sync is automatic. Multi-tenancy supports complex environments. Helm and Kustomize are natively supported.
Kubernetes teams implementing GitOps choose Flux for declarative, Git-driven cluster management.
How we evaluate tools →Source: fluxcd.io
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Flux FAQ
Is Flux CD free?
Yes, Flux is open source and free. CNCF graduated project. No licensing costs.
What is Flux CD?
Flux is a GitOps tool for Kubernetes. Automatically syncs cluster state from Git. Continuous delivery for Kubernetes.
Flux vs ArgoCD?
Both are GitOps tools. ArgoCD has better UI. Flux is more composable and Kubernetes-native. Both excellent choices.
How does Flux work?
Flux watches Git repos and container registries. When changes detected, automatically applies to Kubernetes cluster.
Source: fluxcd.io