head to head · open source
halo vs ponzu
halo has 39,787 GitHub stars, 10,329 forks, 112 open issues and last shipped yesterday. ponzu has 5,757 stars, 384 forks, 35 open issues and last shipped 10 months ago. halo leads on adoption by 591% (39,787 vs 5,757 stars). halo is written in Java under GPL-3.0; ponzu is written in Go under BSD-3-Clause. halo has attracted 26% as many forks as stars, ponzu 7%. halo was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (cms), 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
| halo | ponzu | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 5.8K |
| License | GPL-3.0 | BSD-3-Clause |
| Written in | Java | Go |
| Last push | 2026-09-17 | 2025-11-17 |
| Forks | ⑂ 10K | ⑂ 384 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick halo if
- You weight community size — 40K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick ponzu if
- You want the ponzu feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Go
- You evaluated both and ponzu fits your workflow better
About halo
Halo is an open source, Java based website building tool licensed under GPL 3.0 that lets individuals and teams publish and run a blog, knowledge base, corporate website, or online store from infrastructure they control.
About ponzu
Ponzu is an open source, BSD 3 Clause licensed HTTP server framework and headless CMS written in Go that serves an automatic JSON API and obtains its own TLS certificates from Let's Encrypt, aimed at developers who need a fast content backend for web and mobile apps rather than a page rendering website builder.
read the full ponzu overview →
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Frequently asked questions
Is halo or ponzu more popular?
halo has 39,787 GitHub stars and ponzu has 5,757. halo has the larger community by that measure.
Are halo and ponzu free?
Both are open source. halo is licensed under GPL-3.0 and ponzu under BSD-3-Clause. Neither carries a licence fee.
What is the difference between halo and ponzu?
halo is written in Java and ponzu 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, halo or ponzu?
Choose halo if you want the larger community (39,787 stars) or its GPL-3.0 licence terms. Choose ponzu if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.