Compare software

sqldef vs Atlas: catalog facts
sqldef	Atlas
Free Free and open source under the MIT and Apache 2.0 licences.	Freemium The tool is free to start with; paid plans are listed on the pricing page.
Windows, macOS, Linux, Command line	Command line
Declarative schema in plain SQL Idempotent: only needed changes are applied	Declarative schema management with automatic migration planning Migration linting and drift detection
Command line only Declarative diffs need care with destructive changes	Some features are tied to paid plans Command-line and config driven, no visual editor
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License: MIT, Apache-2.0	License not stated
No account 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 October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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