head to head · open source
Pulumi vs wtf
Pulumi has 25,694 GitHub stars, 1,431 forks, 2,419 open issues and last shipped yesterday. wtf has 17,093 stars, 864 forks, 107 open issues and last shipped 16 days ago. Pulumi leads on adoption by 50% (25,694 vs 17,093 stars). Pulumi is written in Go under Apache-2.0; wtf is written in Go under MPL-2.0. Pulumi has attracted 6% as many forks as stars, wtf 5%. Pulumi was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (go, golang), so they are genuine substitutes rather than adjacent tools.
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 | wtf | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 17K |
| License | Apache-2.0 | MPL-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-17 | 2026-09-02 |
| Forks | ⑂ 1.4K | ⑂ 864 |
| 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 wtf if
- You want the wtf feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Go
- You evaluated both and wtf 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 wtf
WTF (also known as wtfutil) is a free, open source personal information dashboard that runs in the terminal, built for developers and technical people who want at a glance access to important but infrequently consulted data without leaving the command line.
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Frequently asked questions
Is Pulumi or wtf more popular?
Pulumi has 25,694 GitHub stars and wtf has 17,093. Pulumi has the larger community by that measure.
Are Pulumi and wtf free?
Both are open source. Pulumi is licensed under Apache-2.0 and wtf under MPL-2.0. Neither carries a licence fee.
What is the difference between Pulumi and wtf?
Pulumi is written in Go and wtf 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 wtf?
Choose Pulumi if you want the larger community (25,694 stars) or its Apache-2.0 licence terms. Choose wtf if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.