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Adminer vs Outerbase Studio: catalog facts
Adminer	Outerbase Studio
Free Free and open source under the Apache licence or the GPL.	Free Free and open source.
Web, Self-hosted	Web, Self-hosted
A single file to upload, with no installation or dependencies Supports many database engines from the same interface	Runs in the browser with nothing to install on the client Supports Postgres, MySQL, SQLite and libSQL
Leaving it on a public server is a serious risk and it must be removed or protected Fewer conveniences than larger administration tools	Fewer database engines than large desktop clients Browser-based access may not reach databases on closed networks without self-hosting
Self-hosted, Web application	Web application, Self-hosted
Open source	Open source
License: Apache-2.0	License not stated
Not stated if an account is 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 September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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