head to head · open source
duckdb vs angle-grinder
duckdb has 41,472 GitHub stars, 3,800 forks, 858 open issues and last shipped today. angle-grinder has 3,758 stars, 76 forks, 29 open issues and last shipped 8 months ago. duckdb leads on adoption by 1,004% (41,472 vs 3,758 stars). duckdb is written in C++ under MIT; angle-grinder is written in Rust under MIT. duckdb has attracted 9% as many forks as stars, angle-grinder 2%. 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 | angle-grinder | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 3.8K |
| License | MIT | MIT |
| Written in | C++ | Rust |
| Last push | 2026-09-18 | 2026-02-05 |
| Forks | ⑂ 3.8K | ⑂ 76 |
| 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 angle-grinder if
- You want the angle-grinder feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and angle-grinder 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 angle-grinder
angle grinder Slice and dice log files on the command line. Angle grinder allows you to parse, aggregate, sum, average, min/max, percentile, and sort your data. You can see it, live updating, in your terminal. Angle grinder is designed for when, for whatever reason, you don't have your data in graphite/honeycomb/kibana/sumologic/splunk/etc. but still want to be able to do sophisticated analytics. Angle grinder can process well above 1M rows per second (simple pipelines as high as 5M), so it's usable for fairly meaty aggregation. The results will live update in your terminal as data is processed. Angle grinder is …
read the full angle-grinder overview →
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Frequently asked questions
Is duckdb or angle-grinder more popular?
duckdb has 41,472 GitHub stars and angle-grinder has 3,758. duckdb has the larger community by that measure.
Are duckdb and angle-grinder free?
Both are open source. duckdb is licensed under MIT and angle-grinder under MIT. Neither carries a licence fee.
What is the difference between duckdb and angle-grinder?
duckdb is written in C++ and angle-grinder in Rust. 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 angle-grinder?
Choose duckdb if you want the larger community (41,472 stars) or its MIT licence terms. Choose angle-grinder if its feature set, stack or MIT licence fits better. Both are self-hostable.