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Jupyter vs Spyder: catalog facts
Jupyter	Spyder
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux, Web	Windows, macOS, Linux
Supports over 40 programming languages Rich interactive output in notebooks	Variable explorer for inspecting data Built-in IPython console
Runs through a local server, which adds setup compared with a plain editor Notebook files can be awkward to diff and review in version control	Focused on Python only Less suited to general web or application development
Downloadable app, Web application	Downloadable app
Open source	Open source
License: BSD-3-Clause	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.