Version 1.0.1 - a 30-day full trial, no account needed. It runs on Windows, Linux and macOS.
.deb (Debian, Ubuntu) 64 bit .rpm (Red Hat, Fedora, SUSE) 64 bit
Or install with the package manager:
macOS 64 bit universal (Intel + Apple Silicon)
Or install with Homebrew:
After installing, the help page shows what BillSight reads and how to get a table out of it; the fields page lists exactly which values it takes from an invoice.