head to head · open source
OpenOutreach vs growth-lab
OpenOutreach has 3,494 GitHub stars, 629 forks, 1 open issues and last shipped 13 days ago. growth-lab has 1,972 stars, 169 forks, 0 open issues and last shipped 1 months ago. OpenOutreach leads on adoption by 77% (3,494 vs 1,972 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.
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 | ★ 3.5K | ★ 2.0K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-10-23 | 2026-09-28 |
| Forks | ⑂ 629 | ⑂ 169 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenOutreach if
- You weight community size — 3.5K 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 — 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 →
About growth-lab
🧪 Growth Lab 用自然语言运行产品运营和用户增长闭环：理解产品，发现真实需求，采取行动，再从结果中找到下一步。 官网 简体中文 · English · 繁體中文 · Français · Español · Русский · Português · Deutsch · 日本語 · 한국어 · Türkçe · Tiếng Việt · Polski 为什么做 Growth Lab 大多数 AI 增长工具只解决一个局部问题：有的生成文案，有的研究竞品，有的负责发布，有的展示数据。产品上下文在不同工具之间反复丢失，真正重要的决策仍散落在仪表盘、文档、Prompt 和人工交接中。 增长是一个持续学习的闭环： 现代 Coding Agent 已经能够读取代码仓库、搜索网络、操作工具、编辑文件、跨上下文推理，并在会话中与人协作。Growth Lab 以 Codex 和 Claude Code 作为应用 Runtime，将这些能力组织成端到端的增长工作流。 产品模型 Skill 教 Runtime 如何理解产品、开展研究、选择工具、形成策略、制作内容、分析反馈和决定下一步。Client 工具让 Runtime 能够使用浏览器、官方 API、数据导出、内容平台和素材生成等外部能力。文件跨会话保存产品上下文、研究资料、决策与结果。 AI 会话负责控制整个工作流程。 每个 Model 都是一个“观察—行动—复盘”闭环。每个…
read the full growth-lab overview →
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Frequently asked questions
Is OpenOutreach or growth-lab more popular?
OpenOutreach has 3,494 GitHub stars and growth-lab has 1,972. 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 (3,494 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.