head to head · open source
Cube vs Etl.Net
Cube has 21,147 GitHub stars, 2,179 forks, 1,185 open issues and last shipped yesterday. Etl.Net has 813 stars, 106 forks, 46 open issues and last shipped 25 days ago. Cube leads on adoption by 2,501% (21,147 vs 813 stars). Cube is written in Rust under a custom or non-standard licence; Etl.Net is written in C# under MIT. Cube has attracted 10% as many forks as stars, Etl.Net 13%. Cube was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (business-intelligence), 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
| Cube | Etl.Net | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 813 |
| License | Custom / other | MIT |
| Written in | Rust | C# |
| Last push | 2026-11-02 | 2026-10-09 |
| Forks | ⑂ 2.2K | ⑂ 106 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Cube if
- You weight community size — 21K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick Etl.Net if
- You want the Etl.Net feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and Etl.Net fits your workflow better
About Cube
Website • Docs • Examples • Blog • Slack • X Cube Core is the open source semantic layer. Define metrics, dimensions, joins, and access rules once in code, then expose them through SQL, REST, and GraphQL APIs to anything downstream — BI tools, custom applications, or AI agents. Cube Core is headless: it doesn't ship a UI, so you can build the analytics experience that fits your product. Cube Core works with all SQL data sources, including cloud data warehouses like Snowflake, Databricks, and BigQuery; query engines like Presto and Amazon Athena; and application databases like Postgres. It has a built in…
About Etl.Net
Etl.Net Go to full documentation :rotating light: I need some help!!! :ambulance: I need some serious help for the following subject: :books: Documentation. The website of ETL.NET needs to be completed. It contains the essential to start and get in touch, but a dramatic amount of serious features is not documented in there. :heavy check mark: Unit tests. A proper test code coverage is the only real way to be taken seriously when it is about selecting the right open source library. There was a time when some units tests existed only for the reactive engine of the core (Paillave.EtlNet.Core). But it happened I had…
read the full Etl.Net overview →
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Frequently asked questions
Is Cube or Etl.Net more popular?
Cube has 21,147 GitHub stars and Etl.Net has 813. Cube has the larger community by that measure.
Are Cube and Etl.Net free?
Both are open source. Cube has no licence declared in this registry, and Etl.Net is licensed under MIT. Both are free to self-host.
What is the difference between Cube and Etl.Net?
Cube is written in Rust and Etl.Net in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Cube or Etl.Net?
Choose Cube if you want the larger community (21,147 stars) or its Custom / other licence terms. Choose Etl.Net if its feature set, stack or MIT licence fits better. Both are self-hostable.