head to head · open source
duckdb vs Sink
duckdb has 41,440 GitHub stars, 3,798 forks, 858 open issues and last shipped yesterday. Sink has 7,139 stars, 5,246 forks, 21 open issues and last shipped 3 days ago. duckdb leads on adoption by 480% (41,440 vs 7,139 stars). duckdb is written in C++ under MIT; Sink is written in Vue under AGPL-3.0. duckdb has attracted 9% as many forks as stars, Sink 73%. duckdb was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (analytics), 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
| duckdb | Sink | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 7.1K |
| License | MIT | AGPL-3.0 |
| Written in | C++ | Vue |
| Last push | 2026-09-17 | 2026-09-15 |
| Forks | ⑂ 3.8K | ⑂ 5.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick duckdb if
- You weight community size — 41K stars and counting
- You want the MIT license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick Sink if
- You want the Sink feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Vue
- You evaluated both and Sink 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 Sink
Sink is a self hostable URL shortener with built in analytics that runs entirely on Cloudflare, built for individuals and small teams who want a simple, speedy, and secure way to manage their own links.
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Frequently asked questions
Is duckdb or Sink more popular?
duckdb has 41,440 GitHub stars and Sink has 7,139. duckdb has the larger community by that measure.
Are duckdb and Sink free?
Both are open source. duckdb is licensed under MIT and Sink under AGPL-3.0. Neither carries a licence fee.
What is the difference between duckdb and Sink?
duckdb is written in C++ and Sink in Vue. 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 Sink?
Choose duckdb if you want the larger community (41,440 stars) or its MIT licence terms. Choose Sink if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.