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SEOnaut vs Seodisias: catalog facts
SEOnaut	Seodisias
Free Free and open source with no paid tier.	Free The developer says the core crawler and analysis features are free.
Web, Self-hosted	Windows, macOS, Linux
Self-hosted, so crawl data stays on your server Docker Compose setup	Checks for more than 30 technical issues Can render JavaScript-heavy pages
Focused on technical audits, with no keyword or backlink data Requires running and maintaining your own server	Windows and Linux builds are not code-signed
Self-hosted	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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