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d9 vs KeystoneJS: catalog facts
d9	KeystoneJS
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the MIT licence.
Web, Self-hosted	Self-hosted
Drop-in replacement for Directus 9 with the same schema Supports PostgreSQL, MySQL, SQLite, Oracle, CockroachDB, MariaDB and MS-SQL	GraphQL API and admin UI generated from a schema Fine-grained access control
Based on the older Directus 9 codebase rather than current Directus Smaller maintainer team than the original project	Requires writing code; not a point-and-click site builder Headless, so you build the front end yourself
Self-hosted	Self-hosted
Open source	Open source
License: GPL-3.0	License: MIT
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 2, 2026

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