Polynote logo

Polynote

Polyglot notebook with IDE‑grade editing for Scala, Python, SQL

Polynote delivers a modern notebook experience with IDE‑style autocomplete, WYSIWYG text cells, multi‑language support, and real‑time runtime insight for Scala, Python, SQL, and Vega.

Polynote banner

Overview

Overview

Polynote is a notebook platform that blends the interactivity of traditional notebooks with the productivity of an IDE. It targets data scientists, engineers, and educators who work with Scala, Python (including Spark), SQL, and Vega visualizations.

Capabilities

The editor provides autocomplete, parameter hints, and plans for jump‑to‑definition, while text cells use a WYSIWYG interface with TeX equation rendering. Multiple languages can coexist in a single notebook, sharing variables and functions seamlessly. A tasks pane reports kernel activity and a symbol table displays defined symbols, helping users avoid scrolling to locate definitions. Compile errors and runtime exceptions are highlighted directly in the code cells.

Deployment

Polynote runs on the JVM and can be started via Docker or a native binary distribution. The Apache‑2.0 licensed project is hosted on GitHub and includes documentation on the official website. Its modular architecture allows integration with existing Spark clusters and other data processing back‑ends.

Highlights

IDE‑grade code editing with autocomplete and parameter hints
WYSIWYG text cells with TeX equation support
Seamless multi‑language notebooks sharing definitions across Scala, Python, SQL, Vega
Live runtime insight via tasks view and symbol table

Pros

  • Rich editor features rival IDEs
  • Mix languages in a single notebook
  • Immediate visibility into kernel activity
  • Supports Spark‑enabled Python

Considerations

  • Experimental project may lack long‑term stability
  • Limited language set beyond four
  • UI may feel unfamiliar compared to Jupyter
  • Requires Java runtime for Scala kernel

Managed products teams compare with

When teams consider Polynote, these hosted platforms usually appear on the same shortlist.

COC

CoCalc

Collaborative cloud notebooks (Jupyter, LaTeX, SageMath) with real-time editing

Databricks Notebooks logo

Databricks Notebooks

Real-time collaborative notebooks for data & AI on Databricks

Deepnote logo

Deepnote

Collaborative data notebook for Python & SQL with real-time teamwork

Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.

Fit guide

Great for

  • Data scientists who need Scala alongside Python
  • Developers wanting IDE‑like editing in notebooks
  • Teams building reproducible analyses with Spark
  • Researchers requiring inline equations and visualizations

Not ideal when

  • Users limited to a single language like pure Python
  • Environments without Java installed
  • Projects needing extensive plugin ecosystem
  • Beginners preferring the simplicity of Jupyter

How teams use it

Exploratory data analysis with Scala and Spark

Combine Scala's type safety with Spark's distributed processing in an interactive notebook.

Prototyping machine learning pipelines mixing Python and SQL

Write data extraction in SQL, transform with Python, and iterate quickly.

Creating interactive reports with Vega visualizations and LaTeX equations

Produce publish‑ready documents that embed rich charts and mathematical notation.

Teaching multi‑language concepts in a single notebook

Demonstrate how definitions in one language are accessible from another.

Tech snapshot

Jupyter Notebook53%
TypeScript22%
Scala22%
Less2%
HTML1%
JavaScript1%

Tags

scalanotebook

Frequently asked questions

Is Polynote free to use?

Yes, it is released under the Apache‑2.0 license.

Which programming languages does Polynote support?

Currently Scala, Python (with optional Spark), SQL, and Vega.

Can I run Spark jobs from Polynote?

Yes, Python notebooks can be configured to use Spark.

How does editing differ from Jupyter?

Polynote offers IDE‑style autocomplete, parameter hints, and inline error highlighting.

How do I get started with Polynote?

Installation instructions are available on the official website and the GitHub repository, including Docker images.

Project at a glance

Active
Stars
4,587
Watchers
4,587
Forks
392
LicenseApache-2.0
Repo age7 years old
Last commit4 weeks ago
Primary languageJupyter Notebook

Last synced yesterday