head to head · open source
CocoIndex vs Elementary Data
CocoIndex has 11,812 GitHub stars, 923 forks, 83 open issues and last shipped yesterday. Elementary Data has 2,429 stars, 239 forks, 12 open issues and last shipped 12 days ago. CocoIndex leads on adoption by 386% (11,812 vs 2,429 stars). CocoIndex is written in Rust under Apache-2.0; Elementary Data is written in HTML under Apache-2.0. CocoIndex has attracted 8% as many forks as stars, Elementary Data 10%. 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.
← all 20902 open source comparisons
Side by side
| CocoIndex | Elementary Data | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 2.4K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | HTML |
| Last push | 2026-11-02 | 2026-10-22 |
| Forks | ⑂ 923 | ⑂ 239 |
| 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 Elementary Data if
- You want the Elementary Data feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches HTML
- You evaluated both and Elementary Data fits your workflow better
About CocoIndex
Your agents deserve fresh context. Star us ❤️ → · · · CocoIndex turns codebases, meeting notes, inboxes, Slack, PDFs, and videos into live, continuously fresh context for your AI agents and LLM apps to reason over effectively — with minimal incremental processing. Get your production AI agent ready in 10 minutes with reliable, continuously fresh data — no stale batches, no context gap Incremental · only the delta · Any scale · parallel by default · Declarative · Python, 5 min Deutsch English Español français 日本語 한국어 Português Русский 中文 Built with CocoIndex ❤️ <img src=" alt="CocoIndex code — flagship MCP server…
read the full CocoIndex overview →
About Elementary Data
Elementary OSS: dbt native data observability Docs » Join the Elementary Community » ⭐️ Star the repo Built by the Elementary team, helping you deliver trusted data in the AI era. Elementary OSS is the open source CLI for dbt native data observability. It works with the Elementary dbt package to generate the basic Elementary observability report and send alerts to Slack and Microsoft Teams. For teams that need data reliability at scale, we offer Elementary Cloud , a full Data & AI Control Plane with automated ML monitoring, column level lineage from source to BI, a built in catalog, and AI agents that scale…
read the full Elementary Data overview →
More in Data & Analytics
Related comparisons
More Data Engineering & Integration projects
Compare either of these against the rest of the Data Engineering & Integration field.
Frequently asked questions
Is CocoIndex or Elementary Data more popular?
CocoIndex has 11,812 GitHub stars and Elementary Data has 2,429. CocoIndex has the larger community by that measure.
Are CocoIndex and Elementary Data free?
Both are open source. CocoIndex is licensed under Apache-2.0 and Elementary Data under Apache-2.0. Neither carries a licence fee.
What is the difference between CocoIndex and Elementary Data?
CocoIndex is written in Rust and Elementary Data in HTML. 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 Elementary Data?
Choose CocoIndex if you want the larger community (11,812 stars) or its Apache-2.0 licence terms. Choose Elementary Data if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.