Apache Arrow DataFusion
Apache Arrow DataFusion: A free, open-source query engine for embedding or self-hosting in data systems. Ranked #10 of 28 in Query Engine Software by our editors (8.3/10); pricing: Free plan; best for embedded or self-hosted query execution.
At a glance
- Editor score8.3 / 10
- PricingFree plan
- Best forEmbedded or self-hosted query execution
- Free planYes
- Paid fromFree
- Federated queriesYes
- Facts checked22 Sep 2026
Where it wins
- SQL and DataFrame APIs with vectorized, multithreaded execution
- Extensible custom sources, functions, operators, and execution plans
- Supports streaming, federation, and common cloud storage systems
Where it doesn't
- Requires developers to embed or self-host the query engine
- Not a hosted end-user SaaS product with a managed interface
- Python and Java access comes through related subprojects
Our verdict on Apache Arrow DataFusion
Apache Arrow DataFusion is an open-source query engine framework for developers building databases, analytics systems, data-frame libraries, machine-learning tools, and streaming applications. Written in Rust, it provides SQL and DataFrame APIs, full SQL support, vectorized and multithreaded query execution, query planning and optimization, and built-in support for CSV, Parquet, JSON, and Avro. Its intended audience is technical teams that need query execution inside another system rather than a ready-to-use hosted analytics application.
Its strongest fit is an extensible execution layer. Developers can add custom table providers and data sources, functions, query languages, operators, and execution plans. Streaming execution supports streaming applications, while DataFusion Federation supports federated queries across heterogeneous sources. The ecosystem includes Apache Arrow and Parquet, plus connections for AWS S3, Azure Blob Storage, and Google Cloud Storage. Python and Java interfaces are available through related subprojects, giving teams options beyond the core Rust implementation.
DataFusion is free and open source, with a self-hosted deployment model rather than paid hosted tiers. That keeps the product focused on embedding and customization, but it also places responsibility for integration, deployment, and operational decisions on the adopting team. Choose it when your project needs an extensible query engine with SQL, DataFrame processing, optimization, streaming, and custom-source support. It is less suitable for buyers seeking a managed SaaS query tool, a turnkey user interface, or a packaged end-user analytics product.
Your product? Our editors can test Apache Arrow DataFusion in depth and publish a review, labelled as paid · from $149/mo →
Apache Arrow DataFusion pricing
Apache Arrow DataFusion fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Federated queries | Yes |
| Heterogeneous sources | Yes |
| Deployment | Self_hosted |
| SQL support | Full |
| Source connectors | Not verified |
| Result caching | Not verified |
| Streaming sources | Yes |
| Deployment | Self-hosted, Desktop |
| Platforms | Linux, macOS |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 6 integrations: AWS S3, Azure Blob Storage, Google Cloud Storage, Apache Arrow, Parquet, DataFusion Federation |
| Pricing | Free plan |
| Website | datafusion.apache.org |
| Facts checked | 22 Sep 2026 |
Apache Arrow DataFusion integrations
Apache Arrow DataFusion lists 6 integrations on its own site.
- AWS S3
- Azure Blob Storage
- Google Cloud Storage
- Apache Arrow
- Parquet
- DataFusion Federation
Alternatives to Apache Arrow DataFusion
- Google BigQueryA broad, serverless query engine with flexible pricing and extensive analytics capabilities.9.3
- Databricks SQL WarehouseA flexible SQL warehouse for enterprise lakehouse analytics, BI, and governed data access.9.1
- TrinoA flexible federated SQL engine for querying diverse systems without centralizing data.9.0
See all Apache Arrow DataFusion alternatives →
Used Apache Arrow DataFusion? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Apache Arrow DataFusion for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Apache Arrow DataFusion is listed in our Query Engine Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/apache-arrow-datafusion/"><img src="https://www.itechguides.com/best/badge/apache-arrow-datafusion.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update