Apache Spark

Apache Spark is ranked #4 of 24 in ETL software on Freedom251. It runs on API, Linux, macOS, Self-hosted, Windows. There is a free plan.

Apache Spark plans and pricing

All plans

Apache Spark Free Open-source distributed data analytics engine · download, PyPI, Maven Central, and Docker options spark.apache.org · 30 Sept 2026

Compared on ETL software

Free plan: Yes
Deployment: self_hosted
Transformation mode: mixed
Incremental loading: Yes
Change data capture: Yes
Custom code transforms: Yes

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Apache Spark

Purpose: Apache Spark is a unified engine for large-scale data analytics.
Batch and streaming: Spark processes data in batches and real-time streams using Python, SQL, Scala, Java, or R.
SQL: Spark SQL executes distributed ANSI SQL queries and supports structured tables and unstructured data such as JSON or images.
Machine learning: MLlib provides machine-learning algorithms that can run locally and scale to clusters.
Data science: The project says Spark supports exploratory data analysis on petabyte-scale data without downsampling.
Integrations: The listed ecosystem includes pandas, TensorFlow, PyTorch, scikit-learn, Apache Kafka, Kubernetes, Delta Lake, and Apache Iceberg.
Operating systems: Spark runs on Windows and UNIX-like systems, including Linux and macOS, where a supported Java version is available.
Client connectivity: Spark Connect separates client applications from Spark clusters and supports remote connectivity.
Security: Security features such as authentication are not enabled by default, and the documentation says deployments are not secure by default.
Encryption: Spark supports TLS encryption for RPC connections and encryption of temporary data written to local disks.
Support: The project directs users to mailing lists and community resources for help.
Release and runtime requirements: The 4.2.0 documentation lists Java 17, 21, or 25, Scala 2.13, Python 3.10+, and R 4.0+ (deprecated).
License: The project website states Apache Spark is licensed under the Apache License, Version 2.0.
Founded: 2009
Price from: Free

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Where it ranks on Freedom251

Best ETL Software in 2026#4 of 24
Best Streaming Analytics Software in 2026#6 of 24
Best Stream Processing Software in 2026#8 of 23

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Sources

spark.apache.org· checked 30 Sept 2026
spark.apache.org/docs/latest/· checked 30 Sept 2026
spark.apache.org/docs/latest/security.html· checked 30 Sept 2026
spark.apache.org/downloads.html· checked 30 Sept 2026