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Nikola vs Eleventy: catalog facts
Nikola	Eleventy
Free Free and open source under the MIT licence.	Free Free and open source.
Command line	Windows, macOS, Linux, Command line
Incremental rebuilds save time on large sites Accepts Jupyter notebooks as well as Markdown and reST	Supports a wide range of template languages Flexible data cascade for building pages from data
Command-line only, no visual editor Requires a Python environment	Requires Node.js and comfort with the command line No built-in visual editor or admin interface
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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