head to head · open source
Krayin vs Hyvor Post
Krayin has 24,096 GitHub stars, 1,677 forks, 121 open issues and last shipped 2 days ago. Hyvor Post has 34 stars, 3 forks, 37 open issues and last shipped 8 days ago. Krayin leads on adoption by 70,771% (24,096 vs 34 stars). Krayin is written in PHP under MIT; Hyvor Post is written in PHP under AGPL-3.0. Krayin has attracted 7% as many forks as stars, Hyvor Post 9%. 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 | Hyvor Post | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 34 |
| License | MIT | AGPL-3.0 |
| Written in | PHP | PHP |
| Last push | 2026-11-01 | 2026-10-26 |
| Forks | ⑂ 1.7K | ⑂ 3 |
| 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 Hyvor Post if
- You want the Hyvor Post feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches PHP
- You evaluated both and Hyvor Post 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 Hyvor Post
Hyvor Post Newsletters without surveillance For People, Not Funnels Hyvor Post is a simple, privacy first newsletter platform. It is based on Hyvor Relay, an open source, self hosted email API for developers. Newsletter Platform Docs Note on Self Hosting While Hyvor Post is open source, it is not yet ready for self hosting. There are some pending tasks: Set up OIDC (PRs welcome, see this and this) Self hosting documentation Features No Tracking : No click or open tracking. Respect your subscribers' privacy. Easy Editor : Simple and clean rich text with markdown support editor to compose newsletters. Multi…
read the full Hyvor Post overview →
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Frequently asked questions
Is Krayin or Hyvor Post more popular?
Krayin has 24,096 GitHub stars and Hyvor Post has 34. Krayin has the larger community by that measure.
Are Krayin and Hyvor Post free?
Both are open source. Krayin is licensed under MIT and Hyvor Post under AGPL-3.0. Neither carries a licence fee.
What is the difference between Krayin and Hyvor Post?
Krayin is written in PHP and Hyvor Post in PHP. 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 Hyvor Post?
Choose Krayin if you want the larger community (24,096 stars) or its MIT licence terms. Choose Hyvor Post if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.