head to head · open source
excelize vs mjml
excelize has 20,918 GitHub stars, 1,949 forks, 131 open issues and last shipped 2 days ago. mjml has 715 stars, 251 forks, 35 open issues and last shipped 3 months ago. excelize leads on adoption by 2,826% (20,918 vs 715 stars). excelize is written in Go under BSD-3-Clause; mjml is written in TypeScript under BSD-3-Clause. excelize has attracted 9% as many forks as stars, mjml 35%. excelize 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
| excelize | mjml | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 715 |
| License | BSD-3-Clause | BSD-3-Clause |
| Written in | Go | TypeScript |
| Last push | 2026-09-16 | 2026-06-15 |
| Forks | ⑂ 1.9K | ⑂ 251 |
| 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 mjml if
- You want the mjml feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches TypeScript
- You evaluated both and mjml 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 mjml
GrapesJS MJML is a plugin that enables the use of MJML components inside the GrapesJS environment. It lives in the GrapesJS plugin ecosystem and is distributed on npm as grapesjs mjml . The project is written in TypeScript and released under the BSD 3 Clause license, and it requires GrapesJS v0.15.9 or higher to run.
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Frequently asked questions
Is excelize or mjml more popular?
excelize has 20,918 GitHub stars and mjml has 715. excelize has the larger community by that measure.
Are excelize and mjml free?
Both are open source. excelize is licensed under BSD-3-Clause and mjml under BSD-3-Clause. Neither carries a licence fee.
What is the difference between excelize and mjml?
excelize is written in Go and mjml in TypeScript. 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 mjml?
Choose excelize if you want the larger community (20,918 stars) or its BSD-3-Clause licence terms. Choose mjml if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.