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Write.as vs Known: catalog facts
Write.as	Known
Freemium Free to start writing; paid plans are not detailed on the homepage.	Free Free and open source software.
Web	Self-hosted
Distraction-free editor with Markdown or rich text Federates with Mastodon and the fediverse	IndieWeb support with replies and bookmarks between sites ActivityPub delivery to the Fediverse
Not meant for complex websites or e-commerce Hosted service rather than self-hosted	Needs PHP 8.3+, a database and a background worker for ActivityPub Install packages are unofficial; main code is under active development
Web application, Hosted service	Self-hosted
Closed source	Open source
License not stated	License: Apache-2.0
No account needed	Not stated if an account is needed
Needs internet	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.