sqlitestudio.pl

Letos is a desktop application for browsing and editing SQLite database files. It includes an SQL editor with syntax hints and highlighting, an ERD diagram editor, data import and export in CSV, SQL, HTML, XML, PDF and JSON formats, and data generators. Custom SQL functions and collations can be written in JavaScript, Python or Tcl, and encrypted SQLite variants such as SQLCipher are supported.

The project is released under the GPL v3 license and is free to use for any purpose, including commercial use. It is aimed at people who know what SQLite or relational databases are. The author describes it as mainly a one-person project with a few contributors, and it runs on Windows, Linux and macOS in a portable form that needs no installation.

The project started in early 2007 and was first written in Tcl/Tk; version 3.0.0 was rewritten in C++/Qt. The site lists version 4.0.4, released in October 2026, which updates SQLite to 3.54.0. The author, Paweł Salawa, is based in Poland, and feedback is collected through GitHub. No offices, funding or commercial offering are mentioned on the site.

Product: Letos, a cross-platform desktop SQLite database browser and editor with SQL editor, ERD editor and scripting support.