Case Studies
Automation, integrations, accounting systems, and open-source engineering.
A CLI for a supplier portal built for clicks
A public command-line tool lists and downloads Hamberger supplier PDFs with OIDC login, secure token caching, filters, ZIP export, and safe re-runs.
Payout evidence belongs with the voucher
A scheduled n8n workflow matches payout PDFs to Lexware card vouchers, handles ambiguity explicitly, and records every attachment result.
From supplier PDF to an idempotent Lexware invoice
An n8n workflow reads Hamberger supplier PDFs from Google Drive, preserves printed 7% and 19% tax buckets, creates the right Lexware document once, and attaches the source PDF.