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

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