head to head · open source
excelize vs seonaut
excelize has 20,918 GitHub stars, 1,949 forks, 131 open issues and last shipped 2 days ago. seonaut has 786 stars, 133 forks, 9 open issues and last shipped 4 months ago. excelize leads on adoption by 2,561% (20,918 vs 786 stars). excelize is written in Go under BSD-3-Clause; seonaut is written in Go under MIT. excelize has attracted 9% as many forks as stars, seonaut 17%. excelize was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (go), 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
| excelize | seonaut | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 786 |
| License | BSD-3-Clause | MIT |
| Written in | Go | Go |
| Last push | 2026-09-16 | 2026-05-23 |
| Forks | ⑂ 1.9K | ⑂ 133 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick excelize if
- You weight community size — 21K stars and counting
- You want the BSD-3-Clause license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick seonaut if
- You want the seonaut feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and seonaut fits your workflow better
About excelize
Excelize is a pure Go library for reading and writing XLAM, XLSM, XLSX, XLTM and XLTX spreadsheets, built for Go developers who need to generate or parse Microsoft Excel 2007 and later workbooks directly from their own code.
read the full excelize overview →
About seonaut
SEOnaut is an open source SEO auditing tool written in Go under the MIT license. It is a web based application that analyzes websites for issues that may affect search engine rankings. The project belongs to the self hosted technical SEO and marketing software ecosystem.
read the full seonaut overview →
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Frequently asked questions
Is excelize or seonaut more popular?
excelize has 20,918 GitHub stars and seonaut has 786. excelize has the larger community by that measure.
Are excelize and seonaut free?
Both are open source. excelize is licensed under BSD-3-Clause and seonaut under MIT. Neither carries a licence fee.
What is the difference between excelize and seonaut?
excelize is written in Go and seonaut 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, excelize or seonaut?
Choose excelize if you want the larger community (20,918 stars) or its BSD-3-Clause licence terms. Choose seonaut if its feature set, stack or MIT licence fits better. Both are self-hostable.