DbWrench is described as 'multi-vendor, multi-platform database design and synchronization software' and is an app in the Development category. There are more than 25 alternatives to DbWrench for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and SaaS. The best alternative is DBeaver, which is both free and Open Source. Other great apps like DbWrench are HeidiSQL (Free, Open Source), MySQL Workbench (Free, Open Source), Database .NET (Free Personal) and pgModeler (Freemium, Open Source).
Open Sqlite databases and explore the internal organisation of various objects such as schema, tables and indices. To understand how Sqlite3 data is organised, please see [Database file format](https://www.sqlite.org/fileformat.html) from Sqlite website.