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Ellipsus vs Neverkin: catalog facts
Ellipsus	Neverkin
Freemium Free to sign up; Ellipsus Plus is a paid tier.	Free Free and open source under the GPL-3.0 licence, with no paywalls.
Web	Web, Self-hosted
Drafts, comments and merging designed for creative collaboration No generative AI features	Wiki pages linked by tags and mentions Timelines with custom calendars
Requires an account and an online service Not suited to business documents or spreadsheets	Small, young project Self-hosting uses a multi-service Docker Swarm setup
Web application	Downloadable app, Web application, Self-hosted
Closed source	Open source
License not stated	License: GPL-3.0
Account needed	Not stated if an account is 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 2, 2026

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