head to head · open source
Krayin vs OpenOutreach
Krayin has 24,096 GitHub stars, 1,677 forks, 121 open issues and last shipped 2 days ago. OpenOutreach has 3,478 stars, 626 forks, 1 open issues and last shipped 11 days ago. Krayin leads on adoption by 593% (24,096 vs 3,478 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 18%. 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.
← all 20902 open source comparisons
Side by side
| Krayin | OpenOutreach | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 3.5K |
| License | MIT | GPL-3.0 |
| Written in | PHP | Python |
| Last push | 2026-11-01 | 2026-10-23 |
| Forks | ⑂ 1.7K | ⑂ 626 |
| 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
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 OpenOutreach
OpenOutreach — open source AI agent for B2B lead generation Describe your product. Define your target market. The AI finds the people who fit, tells you why each one does, and emails them. Self hosted CLI. One install, one onboarding, one command. Demo 🚀 What is OpenOutreach? OpenOutreach is a self hosted, open source lead finder that qualifies for you — and then writes the email. You describe your product and your target market; it discovers matching people from a licensed data provider , judges each one against the ICP it learned from your description, hands you the ones that fit with the reason each was…
read the full OpenOutreach overview →
More in Business Software
Related comparisons
More Marketing & Customer Engagement projects
Compare either of these against the rest of the Marketing & Customer Engagement field.
Frequently asked questions
Is Krayin or OpenOutreach more popular?
Krayin has 24,096 GitHub stars and OpenOutreach has 3,478. 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 (24,096 stars) or its MIT licence terms. Choose OpenOutreach if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.