21 August 2026 · Technical
XRechnung: The XML Invoice Germany Requires
What XRechnung is, why it is mandatory for B2B invoicing in Germany, and how NeoDonkey generates compliant XML invoices from its git-based ledger.
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Earlier writing
- 2026-09-18Microsoft Dynamics 365: Sovereignty Tool or Ecosystem Flypaper? The Uncomfortable Truth Enterprises Ignore
- 2026-09-17How to Audit Your ERP Vendor’s Pricing: A CFO’s Guide
- 2026-09-17The True Cost of SAP S/4HANA Migration: Data from Failed Projects
- 2026-09-17ERP Vendor Lock‑In Horror Stories: How Companies Got Trapped — and How to Break Free
- 2026-09-16Microsoft Dynamics 365: Ecosystem Trap or Business Tool?
- 2026-09-16Why Browser‑Based Applications Are the Future of Enterprise Software
- 2026-09-16Why Small Businesses Are Dumping Oracle NetSuite for Open‑Source ERP
- 2026-09-16From Excel to ERP: When Spreadsheets Break and What to Use Instead
- 2026-09-15The AI Copilot That Lives on Your GPU: Local‑First Intelligence
- 2026-09-15Git as a Database: How Version Control Replaces Traditional ERP Storage
- 2026-09-15How to Audit Your ERP Vendor's Pricing: A CFO's Guide to Cutting Costs and Breaking Vendor Lock‑In
- 2026-09-14Why Small Businesses Are Dumping Oracle NetSuite for Open‑Source ERP
- 2026-09-14From Excel to ERP: When Spreadsheets Break and What to Use Instead
- 2026-09-14Digital Sovereignty: Why EU Companies Need Open Source Software
- 2026-09-14Microsoft Dynamics 365: Ecosystem Trap or Business Tool?
- 2026-09-13Git as a Database: How Version Control Replaces Traditional ERP Storage
- 2026-09-13How to Audit Your ERP Vendor’s Pricing: A CFO’s Guide to Breaking Free from Hidden Costs and Vendor Lock‑In
- 2026-09-13The True Cost of SAP S/4HANA Migration: Data from Failed Projects
- 2026-09-13The AI Copilot That Lives on Your GPU: Local‑First Intelligence
- 2026-09-12Digital Sovereignty: Why EU Companies Need Open Source Software
- 2026-09-12Microsoft Dynamics 365: Ecosystem Trap or Business Tool?
- 2026-09-12Why Browser‑Based Applications Are the Future of Enterprise Software
- 2026-09-12Why Small Businesses Are Abandoning Oracle NetSuite for Open‑Source ERP
- 2026-09-11The True Cost of SAP S/4HANA Migration: Data from Failed Projects
- 2026-09-11The AI Copilot That Runs on Your GPU: Local‑First Intelligence
- 2026-09-11The Hidden Costs of ERP Vendor Lock‑In: Horror Stories and How to Break Free
- 2026-09-10Why Browser-Based Applications Are the Future of Enterprise Software
- 2026-09-10Why Small Businesses Are Abandoning Oracle NetSuite for Open‑Source ERP
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- 2026-09-10Digital Sovereignty: Why EU Companies Must Embrace Open Source Software
- 2026-09-09The Dark Side of ERP: Vendor Lock‑In Horror Stories and How to Break Free
- 2026-09-09Git as a Database: How Version Control Is Displacing Traditional ERP Storage
- 2026-09-09How to Audit Your ERP Vendor's Pricing: A CFO's Guide to Cutting Costs and Avoiding Vendor Lock‑In
- 2026-09-09The True Cost of SAP S/4HANA Migration: What the Numbers from Failed Projects Reveal
- 2026-09-08Microsoft Dynamics 365: Ecosystem Trap or Business Tool? The Verdict for Modern Enterprises
- 2026-09-08Why Browser‑Based Applications Are the Future of Enterprise Software
- 2026-09-07How to Audit Your ERP Vendor’s Pricing: A CFO’s Guide
- 2026-09-07The True Cost of SAP S/4HANA Migration: Lessons from Failed Projects
- 2026-09-07The AI Copilot That Runs on Your GPU: Local‑First Intelligence
- 2026-09-07ERP Vendor Lock‑In Horror Stories—and How to Break Free
- 2026-09-06Microsoft Dynamics 365: Ecosystem Trap or Business Tool?
- 2026-09-06Why Browser‑Based Applications Are the Future of Enterprise Software
- 2026-09-06Why Small Businesses Are Abandoning Oracle NetSuite for Open Source ERP
- 2026-09-06From Excel to ERP: When Spreadsheets Break and What to Use Instead
- 2026-09-05The AI Copilot That Lives on Your GPU: Local‑First Intelligence for a New Era of ERP
- 2026-09-05ERP Vendor Lock‑In Horror Stories and How to Escape
- 2026-09-05Git as a Database: How Version Control Is Replacing Traditional ERP Storage
- 2026-09-05How to Audit Your ERP Vendor's Pricing: A CFO's Guide to Breaking Free from Vendor Lock‑In
- 2026-09-04Why Small Businesses Are Abandoning Oracle NetSuite for Open‑Source ERP
- 2026-09-04From Excel to ERP: When Spreadsheets Break and What to Use Instead
- 2026-09-04Digital Sovereignty: Why EU Companies Need Open Source Software
- 2026-09-04Microsoft Dynamics 365: Ecosystem Trap or Business Tool?
- 2026-09-03Git as a Database: How Version Control Replaces Traditional ERP Storage
- 2026-09-03How to Audit Your ERP Vendor's Pricing: A CFO’s Guide to Cutting Costs and Avoiding Vendor Lock‑In
- 2026-09-03The True Cost of SAP S/4HANA Migration: Data from Failed Projects
- 2026-09-02Digital Sovereignty: Why EU Companies Need Open Source Software
- 2026-09-02Microsoft Dynamics 365: Ecosystem Trap or Business Tool?
- 2026-09-02Why Browser‑Based Applications Are the Future of Enterprise Software
- 2026-09-02Why Small Businesses Are Ditching Oracle NetSuite for Open‑Source ERP
- 2026-09-01#The True Cost of SAP S/4HANA Migration: When the "Transformation" Becomes a Tax
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- 2026-08-31Digital Sovereignty: Why EU Companies Need for Open‑Source Software in EU Enterprises
- 2026-08-30ERP Vendor Lock‑In Horror Stories – and How to Escape the Trap
- 2026-08-30Git as a Database: How Version Control Replaces Traditional ERP Storage
- 2026-08-30How to Audit Your ERP Vendor's Pricing: A CFO's Guide to Cutting Costs and Avoiding Vendor Lock‑in
- 2026-08-30The True Cost of SAP S/4HANA Migration: Data from Failed Projects
- 2026-08-29From Excel to ERP: When Spreadsheets Break and What to Use Instead
- 2026-08-29Digital Sovereignty: Why EU Companies Need Open‑Source Software
- 2026-08-29Microsoft Dynamics 365: Ecosystem Trap or Business Tool?
- 2026-08-29Why Browser‑Based Applications Are the Future of Enterprise Software
- 2026-08-28How to Audit Your ERP Vendor's Pricing: A CFO's Guide to Cutting Through the Fog
- 2026-08-28The True Cost of SAP S/4HANA Migration: Data from Failed Projects
- 2026-08-28The AI Copilot That Runs on Your GPU: Local‑First Intelligence
- 2026-08-28ERP Vendor Lock‑In Horror Stories (and How to Break Free)
- 2026-08-27Microsoft Dynamics 365: Ecosystem Trap or Business Tool? A Data‑Driven Look at the SAP Alternative
- 2026-08-27Why Browser-Based Applications Are the Future of Enterprise Software
- 2026-08-27Why Small Businesses Are Abandoning Oracle NetSuite for Open Source ERP
- 2026-08-27From Excel to ERP: When Spreadsheets Break and What to Use Instead
- 2026-08-26ERP Vendor Lock‑In Horror Stories (and How to Escape Them)
- 2026-08-26Git as a Database: How Version Control Replaces Traditional ERP Storage
- 2026-08-26How to Audit Your ERP Vendor’s Pricing: A CFO’s Guide
- 2026-08-25From Excel to ERP: When Spreadsheets Break and What to Use Instead
- 2026-08-25Digital Sovereignty: Why EU Companies Need Open Source Software
- 2026-08-25Microsoft Dynamics 365: Ecosystem Trap or Business Tool?
- 2026-08-24Git as a Database: How Version Control Replaces Traditional ERP Storage
- 2026-08-24How to Audit Your ERP Vendor’s Pricing: A CFO’s Guide
- 2026-08-24The Hidden Price Tag: What Failed SAP S/4HANA Migrations Really Cost Enterprises
- 2026-08-24The AI Copilot That Runs on Your GPU: Local‑First Intelligence
- 2026-08-23Digital Sovereignty: Why EU Companies Need Open Source Software
- 2026-08-23Microsoft Dynamics 365: Ecosystem Trap or the Ultimate Business Tool?
- 2026-08-22The AI Copilot That Runs on Your GPU: Local‑First Intelligence
- 2026-08-22ERP Vendor Lock‑In Horror Stories and How to Escape
- 2026-08-22Git as a Database: How Version Control Replaces Traditional ERP Storage
- 2026-08-21Zero Dependencies Is Not a Slogan
- 2026-08-21DATEV EXTF: The Format German Tax Advisors Actually Want
- 2026-08-21Git as an Audit Trail
- 2026-08-21Exact Money: Why NeoDonkey Stores Cents as BigInt
- 2026-08-20DATEV EXTF v700: A Zero-Dependency Serializer in 200 Lines
- 2026-08-20Git is the database. Cryptographic commits as a system of record
- 2026-08-20The true cost of an S/4HANA migration, from failed projects
- 2026-08-19Why S/4HANA migration projects fail
- 2026-08-19Five signs your ERP vendor has you trapped
- 2026-08-18The 2026 ERP landscape. AI agents and cloud mandates
- 2026-08-18Headless ERP explained
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