head to head · open source
OpenTofu vs k8sgpt
OpenTofu has 30,209 GitHub stars, 1,368 forks, 320 open issues and last shipped yesterday. k8sgpt has 8,186 stars, 1,060 forks, 89 open issues and last shipped yesterday. OpenTofu leads on adoption by 269% (30,209 vs 8,186 stars). OpenTofu is written in Go under MPL-2.0; k8sgpt is written in Go under Apache-2.0. OpenTofu has attracted 5% as many forks as stars, k8sgpt 13%. k8sgpt 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 | k8sgpt | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 8.2K |
| License | MPL-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.4K | ⑂ 1.1K |
| 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 k8sgpt if
- You want the k8sgpt 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 k8sgpt 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 k8sgpt
k8sgpt is an Apache 2.0 tool written in Go that scans Kubernetes clusters, diagnoses and triages issues in plain English, built for SREs, platform engineers and DevOps teams who need a fast, readable explanation of why a cluster is misbehaving.
read the full k8sgpt overview →
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Frequently asked questions
Is OpenTofu or k8sgpt more popular?
OpenTofu has 30,209 GitHub stars and k8sgpt has 8,186. OpenTofu has the larger community by that measure.
Are OpenTofu and k8sgpt free?
Both are open source. OpenTofu is licensed under MPL-2.0 and k8sgpt under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenTofu and k8sgpt?
OpenTofu is written in Go and k8sgpt 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 k8sgpt?
Choose OpenTofu if you want the larger community (30,209 stars) or its MPL-2.0 licence terms. Choose k8sgpt if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.