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Letos vs SQLite Viewer: catalog facts
Letos	SQLite Viewer
Free Free and open source with no paid edition.	Free Free to use in the browser.
Windows, macOS, Linux	Web
Portable build that needs no installation No telemetry and no paid edition	Runs client-side so data stays in the browser No installation needed
Works only with SQLite databases New name may confuse users searching for SQLiteStudio	Read-only Files must fit in memory
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is 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 October 1, 2026

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