Everything runs on your machine: a PostgreSQL 18 database, the Apex engine and the full workspace. No server and no account. After the first visit it opens with no internet at all.
PostgreSQL 18 and Apex are running on this deviceNo server, no account. Your records and Apex stay in this browser.
Install the workspaceInterface and offline service worker, kept on this device
Download the enginesPostgreSQL 18 (PGlite) and Apex (Rust → WebAssembly)
Start PostgreSQL 18A real database, running inside this browser tab
Start the Apex engineTriggers, classes and anonymous Apex run here
Your saved orgs are kept. Other tabs with this org open stay as they are.
100% on this deviceWorks offline after the first visit