head to head · open source
Krayin vs Hyvor Post
Krayin has 23,890 GitHub stars, 1,630 forks, 121 open issues and last shipped 4 days ago. Hyvor Post has 32 stars, 3 forks, 37 open issues and last shipped yesterday. Krayin leads on adoption by 74,556% (23,890 vs 32 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%. Hyvor Post 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 | ★ 32 |
| License | MIT | AGPL-3.0 |
| Written in | PHP | PHP |
| Last push | 2026-09-14 | 2026-09-17 |
| Forks | ⑂ 1.6K | ⑂ 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
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 Hyvor Post
Hyvor Post is a privacy first, open source newsletter platform for publishers, organisations and developers who want to send newsletters to subscribers without click or open tracking, built in PHP and based on the Hyvor Relay self hosted email API.
read the full Hyvor Post overview →
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Frequently asked questions
Is Krayin or Hyvor Post more popular?
Krayin has 23,890 GitHub stars and Hyvor Post has 32. 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 (23,890 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.