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Codex vs Kavita: catalog facts
Codex	Kavita
Free Free to run on your own server.	Freemium The server is free and open source. An optional Kavita+ subscription adds external…
Web, Self-hosted	Windows, macOS, Linux, Self-hosted, Web
Reads comics in any web browser Keeps the library on your own server	Purpose-built readers for EPUB, PDF and image-based comics, including webtoon mode Multi-user with per-library and age restrictions, through built-in logins or OIDC
Needs a server to run Small project with a limited contributor base	You have to run and maintain a server, and expose it safely if you want remote access Some metadata enrichment is only available through the paid Kavita+ add-on
Self-hosted	Self-hosted, Web application
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 20, 2026

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