Apache Arrow DataFusion

Mac · Linux · Self-hosted

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

Apache Arrow DataFusion is ranked #7 of 25 in query engine software on Freedom251. It runs on Linux, macOS, Self-hosted. There is a free plan.

Apache Arrow DataFusion plans and pricing

All plans

Apache DataFusion Free Open source project; official releases are source artifacts; distributed as a Rust library and CLI datafusion.apache.org · 29 Sept 2026

Compared on query engine software

Free plan: Yes
Federated queries: Yes
Heterogeneous sources: Yes
Deployment: self_hosted
SQL support: full
Streaming sources: Yes

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The record

Product: Apache DataFusion is an extensible query engine written in Rust that uses Apache Arrow as its in-memory format.
Intended users: The core project provides libraries and binaries for developers building database and analytics systems customized to particular workloads.
Execution: DataFusion runs queries in-process using threads for parallel query execution.
APIs: DataFusion offers SQL and DataFrame APIs, and related subprojects provide Python and Java interfaces.
Query features: Documented features include SQL parsing and planning, parallel and streaming execution, and query optimization.
Formats: Built-in data source support includes CSV, Parquet, JSON, Avro, and Arrow.
Extensibility: Developers can add data sources through the TableProvider trait and customize functions, operators, and other components.
Runtime limits: Documented runtime features include enforced memory limits and disk spilling for sorts, grouping, and joins.
Distribution: The core DataFusion project is designed for in-process use; Ballista is a related distributed processing extension.
Downloads: Rust users commonly add DataFusion from crates.io, while official Apache releases are provided as source artifacts.
Release verification: The download page recommends verifying release artifacts with an OpenPGP signature or SHA-512 checksum.
Support: The project directs users to its community communication channels for getting in touch.
Governance: The project is governed through the Apache Software Foundation process.
Price from: Free

Where it ranks on Freedom251

Best Query Engine Software in 2026#7 of 25

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Sources

datafusion.apache.org· checked 29 Sept 2026
datafusion.apache.org/user-guide/faq.html· checked 29 Sept 2026
datafusion.apache.org/user-guide/features.html· checked 29 Sept 2026
datafusion.apache.org/download.html· checked 29 Sept 2026