head to head · open source
katana vs geziyor
katana has 17,531 GitHub stars, 1,185 forks, 23 open issues and last shipped 6 days ago. geziyor has 2,778 stars, 155 forks, 31 open issues and last shipped 3 months ago. katana leads on adoption by 531% (17,531 vs 2,778 stars). katana is written in Go under MIT; geziyor is written in Go under MPL-2.0. katana has attracted 7% as many forks as stars, geziyor 6%. katana was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (crawler), 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
| katana | geziyor | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 2.8K |
| License | MIT | MPL-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-14 | 2026-07-02 |
| Forks | ⑂ 1.2K | ⑂ 155 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick katana if
- You weight community size — 18K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick geziyor if
- You want the geziyor 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 geziyor fits your workflow better
About katana
Katana is an open source, MIT licensed crawling and spidering framework written in Go, built for security engineers and automation pipelines that need to map web applications at scale rather than explore them by hand.
read the full katana overview →
About geziyor
Geziyor is an open source web crawling and scraping framework written in Go, intended for Go developers and data engineers who need to extract structured data from websites at high throughput, including pages that require JavaScript rendering.
read the full geziyor overview →
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Frequently asked questions
Is katana or geziyor more popular?
katana has 17,531 GitHub stars and geziyor has 2,778. katana has the larger community by that measure.
Are katana and geziyor free?
Both are open source. katana is licensed under MIT and geziyor under MPL-2.0. Neither carries a licence fee.
What is the difference between katana and geziyor?
katana is written in Go and geziyor 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, katana or geziyor?
Choose katana if you want the larger community (17,531 stars) or its MIT licence terms. Choose geziyor if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.