head to head · open source
duckdb vs OpenOutreach
duckdb has 41,563 GitHub stars, 3,808 forks, 858 open issues and last shipped yesterday. OpenOutreach has 3,041 stars, 560 forks, 1 open issues and last shipped 13 days ago. duckdb leads on adoption by 1,267% (41,563 vs 3,041 stars). duckdb is written in C++ under MIT; OpenOutreach is written in Python under GPL-3.0. duckdb has attracted 9% as many forks as stars, OpenOutreach 18%. duckdb 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
| duckdb | OpenOutreach | |
|---|---|---|
| GitHub stars | ★ 42K | ★ 3.0K |
| License | MIT | GPL-3.0 |
| Written in | C++ | Python |
| Last push | 2026-09-19 | 2026-09-07 |
| Forks | ⑂ 3.8K | ⑂ 560 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick duckdb if
- You weight community size — 42K stars and counting
- You want the MIT license terms
- Your stack matches C++
- 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 duckdb
DuckDB is an analytical, in process SQL database management system written in C++ and released under the MIT license. It runs inside the application process rather than as a separate server, and it is distributed as a standalone command line application as well as through clients for Python, R, Java, and WebAssembly. The project lives in the analytical SQL ecosystem, where the topics listed for it are analytics, database, embedded database, OLAP, and SQL. It has been developed for about eight years, with the last push recorded on 15 September 2026.
read the full duckdb 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 duckdb or OpenOutreach more popular?
duckdb has 41,563 GitHub stars and OpenOutreach has 3,041. duckdb has the larger community by that measure.
Are duckdb and OpenOutreach free?
Both are open source. duckdb is licensed under MIT and OpenOutreach under GPL-3.0. Neither carries a licence fee.
What is the difference between duckdb and OpenOutreach?
duckdb is written in C++ 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, duckdb or OpenOutreach?
Choose duckdb if you want the larger community (41,563 stars) or its MIT licence terms. Choose OpenOutreach if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.