head to head · open source
Krayin vs mjml
Krayin has 23,890 GitHub stars, 1,630 forks, 121 open issues and last shipped 4 days ago. mjml has 715 stars, 251 forks, 35 open issues and last shipped 3 months ago. Krayin leads on adoption by 3,241% (23,890 vs 715 stars). Krayin is written in PHP under MIT; mjml is written in TypeScript under BSD-3-Clause. Krayin has attracted 7% as many forks as stars, mjml 35%. Krayin 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
| Krayin | mjml | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 715 |
| License | MIT | BSD-3-Clause |
| Written in | PHP | TypeScript |
| Last push | 2026-09-14 | 2026-06-15 |
| Forks | ⑂ 1.6K | ⑂ 251 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Krayin if
- You weight community size — 24K stars and counting
- You want the MIT license terms
- Your stack matches PHP
- 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 Krayin
Krayin is a free, MIT licensed, self hosted customer relationship management framework built on Laravel and Vue.js, intended for small and medium businesses and enterprises that want to run customer, lead, and sales management on their own infrastructure.
read the full Krayin 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 Krayin or mjml more popular?
Krayin has 23,890 GitHub stars and mjml has 715. Krayin has the larger community by that measure.
Are Krayin and mjml free?
Both are open source. Krayin is licensed under MIT and mjml under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Krayin and mjml?
Krayin is written in PHP 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, Krayin or mjml?
Choose Krayin if you want the larger community (23,890 stars) or its MIT licence terms. Choose mjml if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.