head to head · open source
Airbyte vs fluvio
Airbyte has 22,303 GitHub stars, 5,431 forks, 2,395 open issues and last shipped yesterday. fluvio has 5,260 stars, 531 forks, 139 open issues and last shipped yesterday. Airbyte leads on adoption by 324% (22,303 vs 5,260 stars). Airbyte is written in Python under a custom or non-standard licence; fluvio is written in Rust under Apache-2.0. Airbyte has attracted 24% as many forks as stars, fluvio 10%. Airbyte was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (data-integration), 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
| Airbyte | fluvio | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 5.3K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.4K | ⑂ 531 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Airbyte if
- You weight community size — 22K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick fluvio if
- You want the fluvio 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 fluvio fits your workflow better
About Airbyte
Open source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications We believe that only an open source solution to data movement can cover the long tail of data sources while empowering data engineers to customize existing connectors. Our ultimate vision is to help you move data from any source to any destination — whether that destination is a data warehouse, a data lake, or an AI agent. Airbyte provides a catalog of 600+ connectors for APIs, databases, data warehouses, data lakes, and AI applications. Screenshot taken from Airbyte Cloud . Pick the…
read the full Airbyte overview →
About fluvio
Fluvio Composable, Declarative, Stateful Data Streaming System Fluvio is a lean and mean distributed data streaming engine written in Rust. Combined with Stateful DataFlow distributed stream processing framework, Fluvio provides a unified composable distributed streaming and stream processin g paradigm for developers. Quick Start Get started with Fluvio in 2 minutes or less! Step 1. Download Fluvio Version Manager: Fluvio is installed via the Fluvio Version Manager , shortened to fvm . To install fvm , run the following command: TEMPORARY NOTE : While we are transitioning to a new fluvio community hosted fluvio…
read the full fluvio overview →
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Frequently asked questions
Is Airbyte or fluvio more popular?
Airbyte has 22,303 GitHub stars and fluvio has 5,260. Airbyte has the larger community by that measure.
Are Airbyte and fluvio free?
Both are open source. Airbyte has no licence declared in this registry, and fluvio is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Airbyte and fluvio?
Airbyte is written in Python and fluvio 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, Airbyte or fluvio?
Choose Airbyte if you want the larger community (22,303 stars) or its Custom / other licence terms. Choose fluvio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.