Open a company. Post a booking. Read the git log. All in your browser.
⚡ Live Demo — This page loads the actual NeoDonkey kernel (runtime/kernel.js)
and runs it in your browser using OPFS.
Every commit is real. Your data stays on your device.
1 Create your company
Loads the NeoDonkey kernel, generates Ed25519 identity, and opens a git repository in OPFS.
2 Adopt chart of accounts
Creates SKR04 chart and opens accounting period 2027-11.
3 Post your first booking
Double-entry booking: 8400 Revenue / 1200 Bank for €1,000.00.
4 Git audit trail
Every document is a signed git commit. Tamper-evident by design.
5 Export to DATEV
Generate a DATEV EXTF v700 booking batch from your ledger. Your tax advisor imports this directly.
What just happened
Real Kernel
runtime/kernel.js loaded directly. No simulation. The actual code from the repo.
Real Git
Every booking creates an actual git commit in your browser's OPFS storage.
Real Signatures
Ed25519 signatures via Web Crypto API. Cryptographic proof on every commit.
Exact Money
BigInt minor units. "1000.00 EUR" — no float anywhere in the ledger.