head to head · open source
Krayin vs Sendune
Krayin has 24,096 GitHub stars, 1,677 forks, 121 open issues and last shipped 2 days ago. Sendune has 2,304 stars, 144 forks, 2 open issues and last shipped 5 months ago. Krayin leads on adoption by 946% (24,096 vs 2,304 stars). Krayin is written in PHP under MIT; Sendune is written in TypeScript under MIT. Krayin has attracted 7% as many forks as stars, Sendune 6%. 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 | Sendune | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 2.3K |
| License | MIT | MIT |
| Written in | PHP | TypeScript |
| Last push | 2026-11-01 | 2026-06-08 |
| Forks | ⑂ 1.7K | ⑂ 144 |
| 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 Sendune if
- You want the Sendune feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Sendune fits your workflow better
About Krayin
Topics 1. Introduction 2. Documentation 3. Requirements 4. Installation & Configuration 4. Docker Installation 5. Krayin Cloud System 6. License 7. Security Vulnerabilities Introduction Krayin CRM is a hand tailored CRM framework built on some of the hottest opensource technologies such as Laravel (a PHP framework) and Vue.js a progressive Javascript framework. Free & Opensource Laravel CRM solution for SMEs and Enterprises for complete customer lifecycle management. Read our documentation: Krayin CRM Docs We also have a forum for any type of concerns, feature requests, or discussions. Please visit: Krayin CRM…
read the full Krayin overview →
About Sendune
💌 Free, Open Source, HTML Email Editor and Designer. 👹 Who? This email designer was originally built for use within SENDUNE (formerly Send With SES). ⁉️ Why Choose SENDUNE Email Designer? Truly Open Source: Use it for personal use or commercial use or whatever. Truly Free: Because the ones that say 'free', are not. Truly Works: Because the ones that are free don't seem to work. Truly HTML: No intermediate code wranglers like mjml. Truly Fast and Light Weight: Because you have better things to do with your time. Truly No Code: Design like a pro without coding headaches. Our minimal interface gets out of your…
read the full Sendune overview →
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Frequently asked questions
Is Krayin or Sendune more popular?
Krayin has 24,096 GitHub stars and Sendune has 2,304. Krayin has the larger community by that measure.
Are Krayin and Sendune free?
Both are open source. Krayin is licensed under MIT and Sendune under MIT. Neither carries a licence fee.
What is the difference between Krayin and Sendune?
Krayin is written in PHP and Sendune 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 Sendune?
Choose Krayin if you want the larger community (24,096 stars) or its MIT licence terms. Choose Sendune if its feature set, stack or MIT licence fits better. Both are self-hostable.