head to head · open source
CocoIndex vs zerocode
CocoIndex has 11,566 GitHub stars, 899 forks, 83 open issues and last shipped 2 days ago. zerocode has 1,014 stars, 453 forks, 128 open issues and last shipped 6 days ago. CocoIndex leads on adoption by 1,041% (11,566 vs 1,014 stars). CocoIndex is written in Rust under Apache-2.0; zerocode is written in Java under Apache-2.0. CocoIndex has attracted 8% as many forks as stars, zerocode 45%. CocoIndex 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
| CocoIndex | zerocode | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 1.0K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | Java |
| Last push | 2026-09-16 | 2026-09-12 |
| Forks | ⑂ 899 | ⑂ 453 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick CocoIndex if
- You weight community size — 12K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick zerocode if
- You want the zerocode feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and zerocode fits your workflow better
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 →
About zerocode
Zerocode (zerocode tdd) is a community developed, free and open source, outcome driven automated testing framework for data pipelines, ETL, REST and SOAP APIs, Kafka data streams, databases and load scenarios, in which every test is defined in simple JSON or YAML with zero coding, and it is aimed at developers, testers and data engineers who need executable automated tests without writing test code.
read the full zerocode overview →
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Frequently asked questions
Is CocoIndex or zerocode more popular?
CocoIndex has 11,566 GitHub stars and zerocode has 1,014. CocoIndex has the larger community by that measure.
Are CocoIndex and zerocode free?
Both are open source. CocoIndex is licensed under Apache-2.0 and zerocode under Apache-2.0. Neither carries a licence fee.
What is the difference between CocoIndex and zerocode?
CocoIndex is written in Rust and zerocode in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, CocoIndex or zerocode?
Choose CocoIndex if you want the larger community (11,566 stars) or its Apache-2.0 licence terms. Choose zerocode if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.