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Ech0 vs Write.as: catalog facts
Ech0	Write.as
Free Free and open source under the AGPL-3.0 licence.	Freemium Free to start writing; paid plans are not detailed on the homepage.
Self-hosted	Web
Lightweight and quick to deploy Full ownership of your posts on your own domain	Distraction-free editor with Markdown or rich text Federates with Mastodon and the fediverse
Some documentation is only in Chinese Not a note-taking or team documentation tool	Not meant for complex websites or e-commerce Hosted service rather than self-hosted
Self-hosted	Web application, Hosted service
Open source	Closed source
License: AGPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
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.