head to head · open source
OpenTofu vs argo-cd
OpenTofu has 30,204 GitHub stars, 1,367 forks, 320 open issues and last shipped yesterday. argo-cd has 24,178 stars, 7,852 forks, 4,362 open issues and last shipped yesterday. OpenTofu leads on adoption by 25% (30,204 vs 24,178 stars). OpenTofu is written in Go under MPL-2.0; argo-cd is written in Go under Apache-2.0. OpenTofu has attracted 5% as many forks as stars, argo-cd 32%. OpenTofu was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenTofu | argo-cd | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 24K |
| License | MPL-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.4K | ⑂ 7.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenTofu if
- You weight community size — 30K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick argo-cd if
- You want the argo-cd feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and argo-cd fits your workflow better
About OpenTofu
OpenTofu is an open source infrastructure as code (IaC) tool that enables users to define and manage cloud and on premises infrastructure using declarative configuration files. It lives in the cloud infrastructure management ecosystem and serves as a community driven fork of Terraform, maintaining compatibility with Terraform’s configuration language and provider ecosystem while operating under the MPL 2.0 license.
read the full OpenTofu overview →
About argo-cd
Argo CD is a declarative GitOps continuous delivery tool for Kubernetes. It lives in the cloud native ecosystem and is written in Go under the Apache 2.0 license. The project describes itself as a tool for declarative continuous delivery and continuous deployment, and its application definitions, configurations, and environments are expected to be declarative and version controlled. It sits in the Infrastructure and Operations category, specifically cloud infrastructure management, and it has been developed in the open for roughly nine years, with a large community footprint measured in tens of thousands of stars…
read the full argo-cd overview →
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Frequently asked questions
Is OpenTofu or argo-cd more popular?
OpenTofu has 30,204 GitHub stars and argo-cd has 24,178. OpenTofu has the larger community by that measure.
Are OpenTofu and argo-cd free?
Both are open source. OpenTofu is licensed under MPL-2.0 and argo-cd under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenTofu and argo-cd?
OpenTofu is written in Go and argo-cd in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenTofu or argo-cd?
Choose OpenTofu if you want the larger community (30,204 stars) or its MPL-2.0 licence terms. Choose argo-cd if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.