head to head · open source
Airbyte vs OpenContracts
Airbyte has 22,303 GitHub stars, 5,431 forks, 2,395 open issues and last shipped yesterday. OpenContracts has 1,530 stars, 198 forks, 11 open issues and last shipped yesterday. Airbyte leads on adoption by 1,358% (22,303 vs 1,530 stars). Airbyte is written in Python under a custom or non-standard licence; OpenContracts is written in Python under MIT. Airbyte has attracted 24% as many forks as stars, OpenContracts 13%. Airbyte 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
| Airbyte | OpenContracts | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 1.5K |
| License | Custom / other | MIT |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.4K | ⑂ 198 |
| 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 OpenContracts if
- You want the OpenContracts feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and OpenContracts 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 OpenContracts
OpenContracts (Demo) Open source document intelligence you can build on. Point OpenContracts at a repository of documents and get a programmable citation graph — human annotation, structured extraction, AI agents, and a built in MCP server, all behind one API. Self hosted, MIT licensed, and built for teams working at scale. Same graph, three surfaces: a GraphQL + REST API for your apps, a Model Context Protocol server for your agents, and a React UI for your team. From documents to a citation graph — in about a minute Create a corpus, drop in your documents, and click Set up . That one click installs the…
read the full OpenContracts overview →
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Frequently asked questions
Is Airbyte or OpenContracts more popular?
Airbyte has 22,303 GitHub stars and OpenContracts has 1,530. Airbyte has the larger community by that measure.
Are Airbyte and OpenContracts free?
Both are open source. Airbyte has no licence declared in this registry, and OpenContracts is licensed under MIT. Both are free to self-host.
What is the difference between Airbyte and OpenContracts?
Airbyte is written in Python and OpenContracts 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 OpenContracts?
Choose Airbyte if you want the larger community (22,303 stars) or its Custom / other licence terms. Choose OpenContracts if its feature set, stack or MIT licence fits better. Both are self-hostable.