head to head · open source
OpenTofu vs radar
OpenTofu has 30,703 GitHub stars, 1,414 forks, 320 open issues and last shipped yesterday. radar has 4,019 stars, 265 forks, 89 open issues and last shipped yesterday. OpenTofu leads on adoption by 664% (30,703 vs 4,019 stars). OpenTofu is written in Go under MPL-2.0; radar is written in Go under Apache-2.0. OpenTofu has attracted 5% as many forks as stars, radar 7%. radar 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 | radar | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 4.0K |
| License | MPL-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.4K | ⑂ 265 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenTofu if
- You weight community size — 31K 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 radar if
- You want the radar 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 radar fits your workflow better
About OpenTofu
Homepage Slack Get Started OpenTofu is an OSS tool for building, changing, and versioning infrastructure safely and efficiently. OpenTofu can manage existing and popular service providers as well as custom in house solutions. Getting help and contributing Have a question? Post it in GitHub Discussions Open a GitHub issue Join us in the opentofu channel on the CNCF Slack! Want to contribute? Please read the Contribution Guide. Recurring Events Community Meetings on Wednesdays at 12:30 UTC (calendar) Technical Steering Committee Meetings every other Tuesday at 4pm UTC (calendar) [!TIP] For more OpenTofu events…
read the full OpenTofu overview →
About radar
Radar The missing open source Kubernetes UI. Single binary. No account required. Free forever. 🌐 radarhq.io · Docs · Releases Topology, resources, Helm, GitOps, traffic, audit, upgrade impact, and MCP context for AI agents — from your laptop or in cluster. Table of contents Why Radar? Installation Usage Views — Topology · Resources · Image Filesystem · Timeline · Helm · Compare · TLS · GitOps · Traffic · Cost · Audit · Upgrade impact · RBAC · MCP · Auth Supported Resources Keyboard Shortcuts Security Development · Contributing Install and run in 30 seconds: More installation options ↓ Why Radar? Zero install on…
read the full radar overview →
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Frequently asked questions
Is OpenTofu or radar more popular?
OpenTofu has 30,703 GitHub stars and radar has 4,019. OpenTofu has the larger community by that measure.
Are OpenTofu and radar free?
Both are open source. OpenTofu is licensed under MPL-2.0 and radar under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenTofu and radar?
OpenTofu is written in Go and radar 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 radar?
Choose OpenTofu if you want the larger community (30,703 stars) or its MPL-2.0 licence terms. Choose radar if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.