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Letos vs Antares SQL: catalog facts
Letos	Antares SQL
Free Free and open source with no paid edition.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Portable build that needs no installation No telemetry and no paid edition	Free and open source Covers MySQL, PostgreSQL and SQLite
Works only with SQLite databases New name may confuse users searching for SQLiteStudio	Supports fewer database systems than larger commercial clients Smaller project with a small contributor base
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	No account needed
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 23, 2026

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