head to head · open source
OpenOutreach vs growth-lab
OpenOutreach has 3,041 GitHub stars, 560 forks, 1 open issues and last shipped 13 days ago. growth-lab has 1,988 stars, 170 forks, 0 open issues and last shipped 1 months ago. OpenOutreach leads on adoption by 53% (3,041 vs 1,988 stars). OpenOutreach is written in Python under GPL-3.0; growth-lab is written in Python under Apache-2.0. OpenOutreach has attracted 18% as many forks as stars, growth-lab 9%. OpenOutreach was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (agentic-marketing), so they are genuine substitutes rather than adjacent tools.
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
| OpenOutreach | growth-lab | |
|---|---|---|
| GitHub stars | ★ 3.0K | ★ 2.0K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-09-07 | 2026-08-11 |
| Forks | ⑂ 560 | ⑂ 170 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenOutreach if
- You weight community size — 3.0K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick growth-lab if
- You want the growth-lab feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and growth-lab fits your workflow better
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 →
About growth-lab
Growth Lab is an open source Python growth tool in the business software and marketing customer engagement ecosystem. It understands a product, fetches needed data, researches the market, executes campaign actions, and reviews results to improve the next growth round. It runs inside Codex or Claude Code as the application runtime.
read the full growth-lab overview →
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Frequently asked questions
Is OpenOutreach or growth-lab more popular?
OpenOutreach has 3,041 GitHub stars and growth-lab has 1,988. OpenOutreach has the larger community by that measure.
Are OpenOutreach and growth-lab free?
Both are open source. OpenOutreach is licensed under GPL-3.0 and growth-lab under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenOutreach and growth-lab?
OpenOutreach is written in Python and growth-lab 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, OpenOutreach or growth-lab?
Choose OpenOutreach if you want the larger community (3,041 stars) or its GPL-3.0 licence terms. Choose growth-lab if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.