head to head · open source
starrocks vs OpenOutreach
starrocks has 12,229 GitHub stars, 2,650 forks, 1,443 open issues and last shipped yesterday. OpenOutreach has 3,494 stars, 629 forks, 1 open issues and last shipped 13 days ago. starrocks leads on adoption by 250% (12,229 vs 3,494 stars). starrocks is written in Java under Apache-2.0; OpenOutreach is written in Python under GPL-3.0. starrocks has attracted 22% as many forks as stars, OpenOutreach 18%. starrocks 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
| starrocks | OpenOutreach | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 3.5K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Java | Python |
| Last push | 2026-11-04 | 2026-10-23 |
| Forks | ⑂ 2.6K | ⑂ 629 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick starrocks if
- You weight community size — 12K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- 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 starrocks
Download Docs Benchmarks Demo StarRocks is the world's fastest open query engine for sub second, ad hoc analytics both on and off the data lakehouse. With average query performance 3x faster than other popular alternatives, StarRocks is a query engine that eliminates the need for denormalization and adapts to your use cases, without having to move your data or rewrite SQL. A Linux Foundation project. Learn more 👉🏻 What Is StarRocks: Features and Use Cases, Join StarRocks Summit 2025! Features 🚀 Native vectorized SQL engine: StarRocks adopts vectorization technology to make full use of the parallel computing…
read the full starrocks 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 starrocks or OpenOutreach more popular?
starrocks has 12,229 GitHub stars and OpenOutreach has 3,494. starrocks has the larger community by that measure.
Are starrocks and OpenOutreach free?
Both are open source. starrocks is licensed under Apache-2.0 and OpenOutreach under GPL-3.0. Neither carries a licence fee.
What is the difference between starrocks and OpenOutreach?
starrocks is written in Java 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, starrocks or OpenOutreach?
Choose starrocks if you want the larger community (12,229 stars) or its Apache-2.0 licence terms. Choose OpenOutreach if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.