Products
Four systems with a clear operating model and current status.

TACET
Clinical documentation for medical practices
Ambient clinical documentation that runs entirely inside the practice: consultation audio never leaves the practice network.
Live demo with real audio. Site and terms published.

Brandrail
Social media in your own design system
A social media platform where every post is built inside your brand's own design system, checked by gates that fail closed, and published only after you approve it.
In daily use for our own brands. This website is published with it.
One month in the box Sample data - 03 Nov Mobile phone contract −39.95 ER-1103 ZUGFeRD
- 05 Nov Office rent, November −1,250.00 lease-2024.pdf
- 07 Nov Customer invoice, installation +2,380.00 AR-2026-041 XRechnung
- 12 Nov Card payment, office supplies −64.90 ?
- 14 Nov Tax office, VAT for October −812.00 notice-1014.pdf
Glowing Pixels Büro-Box
Paperwork for tax firms and their clients
Paperwork from arrival to the tax adviser: every booking linked to its document, a complete DATEV package every month.
Ready for a pilot with tax firms.
inv := &einvoice.Invoice{ Profile: einvoice.ProfileEN16931, Number: "INV-0001", Currency: "EUR", // seller, buyer, lines, VAT breakdown, totals } engine := rules.NewEngine(rules.CoreArithmeticDomain) report, _ := engine.Validate(ctx, inv) fmt.Println("valid:", report.Valid()) fmt.Println("findings:", len(report.Findings))valid: true findings: 0gdk/fin e-invoicing
Open-source e-invoicing for Go
An open Go engine for EN 16931 e-invoices: one semantic model, CII and UBL, PDF/A-3 hybrids, and a rule engine that explains every finding.
Open source (MIT). Money, bank, e-invoice, PDF/A-3 and payment are implemented; the first release is in preparation.