Letos
The renamed SQLiteStudio project, offering a desktop interface for SQLite database editing and queries.
About Letos
Letos is a desktop application for working with SQLite databases. It is the renamed SQLiteStudio project. It provides an interface for editing SQLite databases and running queries against them.
The latest release noted on the homepage, version 4.0.3, adds relationship highlighting to the ERD (entity relationship diagram) editor. Selecting an entity highlights related entities and their connections, which the project describes as a way to make complex diagrams easier to navigate. The software is released under the GPL open source license and is free to use for any purpose. It runs on Windows, Linux and macOS.
Key features
- Desktop interface for editing SQLite databases and running queries
- ERD editor with relationship highlighting for selected entities and connections
- Portable build that runs without installation or uninstallation
- Cross-platform support for Windows, Linux and macOS
- Released under the GPL open source license
Best for: Developers and database users who work with SQLite databases on a desktop and want a free, portable tool for editing data, running queries and viewing diagrams.
Good for
- Free to use for any purpose under the GPL license
- Portable: download, extract and run without installing
- Available on Windows, Linux and macOS
Watch out for
- Built for SQLite databases, so it does not cover other database systems as described on the homepage
Letos at a glance
- Website
- letos.org
- Category
- Development › APIs & Databases
- Type
- Online tool
- Pricing
- Free
- Open source
- Yes
- Last checked
- Oct 9, 2026 · Online when checked
- Listed
- Oct 9, 2026
Guides for APIs & Databases
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Letos FAQ
Is Letos free to use?
Yes. The homepage states that Letos is released under the GPL license and is free to use for any purpose.
Does Letos need to be installed?
No. The homepage describes it as portable: you download the archive, decompress it and run it, with no installation or uninstallation step.
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