head to head · open source
Airbyte vs redun
Airbyte has 22,303 GitHub stars, 5,431 forks, 2,395 open issues and last shipped yesterday. redun has 608 stars, 54 forks, 34 open issues and last shipped 4 months ago. Airbyte leads on adoption by 3,568% (22,303 vs 608 stars). Airbyte is written in Python under a custom or non-standard licence; redun is written in Python under Apache-2.0. Airbyte has attracted 24% as many forks as stars, redun 9%. Airbyte was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (data-engineering, 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
| Airbyte | redun | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 608 |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-07-17 |
| Forks | ⑂ 5.4K | ⑂ 54 |
| 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 redun if
- You want the redun feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and redun 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 redun
yet another redundant workflow engine redun aims to be a more expressive and efficient workflow framework, built on top of the popular Python programming language. It takes the somewhat contrarian view that writing dataflows directly is unnecessarily restrictive, and by doing so we lose abstractions we have come to rely on in most modern high level languages (control flow, composability, recursion, high order functions, etc). redun's key insight is that workflows can be expressed as lazy expressions, which are then evaluated by a scheduler that performs automatic parallelization, caching, and data provenance…
read the full redun overview →
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Frequently asked questions
Is Airbyte or redun more popular?
Airbyte has 22,303 GitHub stars and redun has 608. Airbyte has the larger community by that measure.
Are Airbyte and redun free?
Both are open source. Airbyte has no licence declared in this registry, and redun is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Airbyte and redun?
Airbyte is written in Python and redun 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, Airbyte or redun?
Choose Airbyte if you want the larger community (22,303 stars) or its Custom / other licence terms. Choose redun if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.