head to head · open source
Krayin vs OpenOutreach
Krayin has 23,890 GitHub stars, 1,630 forks, 121 open issues and last shipped 4 days ago. OpenOutreach has 3,026 stars, 561 forks, 1 open issues and last shipped 11 days ago. Krayin leads on adoption by 689% (23,890 vs 3,026 stars). Krayin is written in PHP under MIT; OpenOutreach is written in Python under GPL-3.0. Krayin has attracted 7% as many forks as stars, OpenOutreach 19%. 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 | OpenOutreach | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 3.0K |
| License | MIT | GPL-3.0 |
| Written in | PHP | Python |
| Last push | 2026-09-14 | 2026-09-07 |
| Forks | ⑂ 1.6K | ⑂ 561 |
| 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 OpenOutreach if
- You want the OpenOutreach feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and OpenOutreach 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 OpenOutreach
OpenOutreach is an open source AI agent for B2B lead generation, written in Python and licensed under GPL 3.0. It is a self hosted CLI that lets a user describe a product and target market, then finds matching people from a licensed data provider and judges each one against an ideal customer profile learned from those descriptions.
read the full OpenOutreach overview →
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Frequently asked questions
Is Krayin or OpenOutreach more popular?
Krayin has 23,890 GitHub stars and OpenOutreach has 3,026. Krayin has the larger community by that measure.
Are Krayin and OpenOutreach free?
Both are open source. Krayin is licensed under MIT and OpenOutreach under GPL-3.0. Neither carries a licence fee.
What is the difference between Krayin and OpenOutreach?
Krayin is written in PHP and OpenOutreach in Python. 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 OpenOutreach?
Choose Krayin if you want the larger community (23,890 stars) or its MIT licence terms. Choose OpenOutreach if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.