head to head · open source
Pulumi vs spug
Pulumi has 25,694 GitHub stars, 1,431 forks, 2,419 open issues and last shipped yesterday. spug has 11,073 stars, 2,196 forks, 9 open issues and last shipped 2 days ago. Pulumi leads on adoption by 132% (25,694 vs 11,073 stars). Pulumi is written in Go under Apache-2.0; spug is written in JavaScript under AGPL-3.0. Pulumi has attracted 6% as many forks as stars, spug 20%. 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 | spug | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 11K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | JavaScript |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 1.4K | ⑂ 2.2K |
| 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 spug if
- You want the spug feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and spug fits your workflow better
About Pulumi
Pulumi is an open source infrastructure as code tool that lets teams define and deploy cloud infrastructure using general purpose programming languages instead of YAML, aimed at developers, platform engineers, and agents working across AWS, Azure, Google Cloud Platform, and Kubernetes.
read the full Pulumi overview →
About spug
Spug is a lightweight, agent free automatic operations and maintenance platform for small and medium sized enterprises, combining host management, batch execution, a browser terminal, file management, application release, pipelines, task planning, a configuration center, monitoring, and alerting in one AGPL 3.0 open source system.
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Frequently asked questions
Is Pulumi or spug more popular?
Pulumi has 25,694 GitHub stars and spug has 11,073. Pulumi has the larger community by that measure.
Are Pulumi and spug free?
Both are open source. Pulumi is licensed under Apache-2.0 and spug under AGPL-3.0. Neither carries a licence fee.
What is the difference between Pulumi and spug?
Pulumi is written in Go and spug in JavaScript. 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 spug?
Choose Pulumi if you want the larger community (25,694 stars) or its Apache-2.0 licence terms. Choose spug if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.