You are at a coffee shop with only a Chromebook. You have enabled Linux (Crostini) or Wine. Ibexpert Portable (Windows .exe) runs flawlessly under Wine because it doesn't rely on deep Windows registry hooks that often break in emulation.
You need to audit a Firebird server for compliance. The client requires that no software remains after you leave. IBExpert Portable runs completely from RAM if copied locally, and you shred the folder before departing. No registry artifacts, no event logs of installation. Ibexpert Portable