head to head · open source
Pulumi vs certimate
Pulumi has 25,840 GitHub stars, 1,478 forks, 2,419 open issues and last shipped yesterday. certimate has 9,422 stars, 920 forks, 51 open issues and last shipped 8 days ago. Pulumi leads on adoption by 174% (25,840 vs 9,422 stars). Pulumi is written in Go under Apache-2.0; certimate is written in Go under MIT. Pulumi has attracted 6% as many forks as stars, certimate 10%. Pulumi 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
| Pulumi | certimate | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 9.4K |
| License | Apache-2.0 | MIT |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-10-26 |
| Forks | ⑂ 1.5K | ⑂ 920 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Pulumi if
- You weight community size — 26K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick certimate if
- You want the certimate feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and certimate fits your workflow better
About Pulumi
Infrastructure as Code for Humans and Agents Pulumi Infrastructure as Code is the easiest way to build and deploy infrastructure, of any architecture and on any cloud, using programming languages that you already know and love. Code and ship infrastructure faster with your favorite languages and tools, and embed IaC anywhere with Automation API. Simply write code in your favorite language and Pulumi automatically provisions and manages your resources on AWS, Azure, Google Cloud Platform, Kubernetes, and 300+ providers using an infrastructure as code approach. Skip the YAML, and use standard language features…
read the full Pulumi overview →
About certimate
🔒 Certimate English ｜ 简体中文 🚩 Introduction An open source and free self hosted SSL certificates ACME tool, automates the full cycle of issuance, deployment, renewal, and monitoring visually. Self hosted : Private deployment. All data is stored locally, to ensure data privacy and security. Cross Platforms : Compatible with various operating systems, including Windows/Linux/macOS. Zero Dependencies : No need to install databases, runtimes, or any frameworks. Ready to use out of the box. Low Resource Usage : Extremely lightweight, requiring only 20 MB of memory. Easy to Use : Automates certificate management with…
read the full certimate overview →
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Frequently asked questions
Is Pulumi or certimate more popular?
Pulumi has 25,840 GitHub stars and certimate has 9,422. Pulumi has the larger community by that measure.
Are Pulumi and certimate free?
Both are open source. Pulumi is licensed under Apache-2.0 and certimate under MIT. Neither carries a licence fee.
What is the difference between Pulumi and certimate?
Pulumi is written in Go and certimate 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, Pulumi or certimate?
Choose Pulumi if you want the larger community (25,840 stars) or its Apache-2.0 licence terms. Choose certimate if its feature set, stack or MIT licence fits better. Both are self-hostable.