head to head · open source
Cube vs CocoIndex
Cube has 20,857 GitHub stars, 2,138 forks, 1,185 open issues and last shipped yesterday. CocoIndex has 11,566 stars, 899 forks, 83 open issues and last shipped 2 days ago. Cube leads on adoption by 80% (20,857 vs 11,566 stars). Cube is written in Rust under a custom or non-standard licence; CocoIndex is written in Rust under Apache-2.0. Cube has attracted 10% as many forks as stars, CocoIndex 8%. Cube was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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 | CocoIndex | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 12K |
| License | Custom / other | Apache-2.0 |
| Written in | Rust | Rust |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 2.1K | ⑂ 899 |
| 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 CocoIndex if
- You want the CocoIndex feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and CocoIndex fits your workflow better
About Cube
Cube Core is an open source semantic layer for AI, BI, and embedded analytics. It lives in the data analytics and data engineering ecosystem for SQL warehouses, BI tools, applications, and AI agents. It lets teams define metrics, dimensions, joins, and access rules once in code, then expose them through SQL, REST, and GraphQL APIs. It is headless and ships no user interface.
About CocoIndex
CocoIndex is an open source incremental data transformation engine for AI workloads, built in Rust with a Python interface and positioned in the data engineering, ETL, indexing, and AI agent ecosystem. It turns codebases, meeting notes, inboxes, Slack, PDFs, and videos into continuously fresh context for AI agents and LLM applications.
read the full CocoIndex overview →
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Frequently asked questions
Is Cube or CocoIndex more popular?
Cube has 20,857 GitHub stars and CocoIndex has 11,566. Cube has the larger community by that measure.
Are Cube and CocoIndex free?
Both are open source. Cube has no licence declared in this registry, and CocoIndex is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Cube and CocoIndex?
Cube is written in Rust and CocoIndex 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, Cube or CocoIndex?
Choose Cube if you want the larger community (20,857 stars) or its Custom / other licence terms. Choose CocoIndex if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.