Argo CD vs Flux CD
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Argo CD
Declarative GitOps continuous delivery for Kubernetes
VS
Flux CD
GitOps toolkit for keeping Kubernetes in sync
| Feature | Argo CD | Flux CD |
|---|---|---|
| Category | CI/CD & Build | Developer Tools & Git |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Hard | Hard |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | kubernetes, helm | kubernetes, helm |
| GitHub stars | ★ 23,867 | ★ 8,321 |
| First released | 2018 | 2016 |
| Replaces | Spinnaker | Spinnaker |
Why pick each one
Choose Argo CD if…
- Released under the Apache-2.0 license
- Kubernetes-ready with Helm charts available
- Mature project with 23.9k GitHub stars
- Written in Go
Choose Flux CD if…
- Released under the Apache-2.0 license
- Kubernetes-ready with Helm charts available
- Mature project with 8.3k GitHub stars
- Written in Go
Frequently asked questions
Is Argo CD or Flux CD better?
Neither is universally better. Argo CD has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Argo CD and Flux CD free and open-source?
Yes. Argo CD is licensed under Apache-2.0 and Flux CD under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Argo CD and Flux CD with Docker?
Argo CD: check the project docs for container support. Flux CD: check the project docs for container support.