head to head · open source
CocoIndex vs riko
CocoIndex has 11,566 GitHub stars, 899 forks, 83 open issues and last shipped 2 days ago. riko has 1,607 stars, 75 forks, 25 open issues and last shipped yesterday. CocoIndex leads on adoption by 620% (11,566 vs 1,607 stars). CocoIndex is written in Rust under Apache-2.0; riko is written in Python under MIT. CocoIndex has attracted 8% as many forks as stars, riko 5%. riko was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (etl), 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
| CocoIndex | riko | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 1.6K |
| License | Apache-2.0 | MIT |
| Written in | Rust | Python |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 899 | ⑂ 75 |
| 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 riko if
- You want the riko feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and riko 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 riko
riko is a pure Python, MIT licensed stream processing library and command line tool for building composable data processing pipelines out of configuration driven pipes, aimed at developers and data engineers who need to process RSS and Atom feeds, web content, text, and structured files without deploying a scheduler, cluster, or message queue.
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Frequently asked questions
Is CocoIndex or riko more popular?
CocoIndex has 11,566 GitHub stars and riko has 1,607. CocoIndex has the larger community by that measure.
Are CocoIndex and riko free?
Both are open source. CocoIndex is licensed under Apache-2.0 and riko under MIT. Neither carries a licence fee.
What is the difference between CocoIndex and riko?
CocoIndex is written in Rust and riko in Python. 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 riko?
Choose CocoIndex if you want the larger community (11,566 stars) or its Apache-2.0 licence terms. Choose riko if its feature set, stack or MIT licence fits better. Both are self-hostable.