Polynote

Web · Mac · Linux · Self-hosted

Freedom report

Three barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Polynote is ranked #5 of 25 in notebook software on Freedom251. It runs on Linux, macOS, Self-hosted, Web. There is a free plan.

Polynote plans and pricing

All plans

Polynote Free Open-source notebook software · distributed as a self-hosted server polynote.org · 4 Oct 2026

Compared on notebook software

Execution model: local
Supported languages: Scala, Python, SQL, Vega
Notebook formats: Jupyter .ipynb, Zeppelin .json

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The record

Product: Polynote is a polyglot notebook with first-class Scala support.
Mixed languages: A notebook can mix multiple languages and share data between them.
Reproducibility: Polynote encourages reproducible notebooks with an immutable data model and ordered cell semantics.
Editing: Features include interactive autocomplete, error highlighting, rich text editing, and LaTeX equations in text cells.
Execution: The interface tracks kernel tasks and highlights the statement currently running.
Visualization: Polynote includes a plot editor and supports the Vega visualization language.
Spark integration: Polynote integrates with Apache Spark and supports running Scala and Python code with Spark.
Python support: Polynote uses Jep to execute Python code within the JVM and supports sharing data between Python and Scala.
Delivery: Polynote consists of a JVM-based server application that serves a web-based client.
Platforms: Polynote is currently tested on Linux and macOS, using Chrome as the client; Windows support is limited to reports of success on Windows Subsystem for Linux.
Security: The installation documentation warns that Polynote allows arbitrary remote code execution and says running it on an internet-accessible computer is unsafe.
Runtime requirements: The documentation reports successful testing with Java 8 and Java 11, and requires a working Python 3 environment including pip.
Maintainers and backing: Polynote lists three maintainers and acknowledges investment from Netflix OSS.
Price from: Free

Where it ranks on Freedom251

Best Notebook Software in 2026#5 of 25

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Sources

polynote.org/latest/· checked 4 Oct 2026
polynote.org/latest/docs/· checked 4 Oct 2026
polynote.org/latest/docs/spark/· checked 4 Oct 2026
polynote.org/latest/docs/python/· checked 4 Oct 2026
polynote.org/latest/docs/installation/· checked 4 Oct 2026
polynote.org/latest/about/· checked 4 Oct 2026