head to head · open source
duckdb vs Sendune
duckdb has 41,440 GitHub stars, 3,798 forks, 858 open issues and last shipped yesterday. Sendune has 2,308 stars, 143 forks, 2 open issues and last shipped 3 months ago. duckdb leads on adoption by 1,695% (41,440 vs 2,308 stars). duckdb is written in C++ under MIT; Sendune is written in TypeScript under MIT. duckdb has attracted 9% as many forks as stars, Sendune 6%. 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 | Sendune | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 2.3K |
| License | MIT | MIT |
| Written in | C++ | TypeScript |
| Last push | 2026-09-17 | 2026-06-08 |
| Forks | ⑂ 3.8K | ⑂ 143 |
| 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 Sendune if
- You want the Sendune feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Sendune 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 Sendune
Sendune is an open source HTML email template editor and no code designer written in TypeScript and packaged as an Angular library. It was originally built for use within Sendune, formerly Send With SES, and it offers a public live demo at designer.sendune.com. The project sits in the Angular and AWS SES email template ecosystem, where teams need to create and export email HTML without a full marketing platform.
read the full Sendune overview →
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Frequently asked questions
Is duckdb or Sendune more popular?
duckdb has 41,440 GitHub stars and Sendune has 2,308. duckdb has the larger community by that measure.
Are duckdb and Sendune free?
Both are open source. duckdb is licensed under MIT and Sendune under MIT. Neither carries a licence fee.
What is the difference between duckdb and Sendune?
duckdb is written in C++ and Sendune in TypeScript. 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 Sendune?
Choose duckdb if you want the larger community (41,440 stars) or its MIT licence terms. Choose Sendune if its feature set, stack or MIT licence fits better. Both are self-hostable.