✨ Open-Source Retail Operating System · Built on Rust & Tauri v2

Kura.
Featherlight power for every counter.

Say goodbye to $79/month cloud POS subscriptions and 150 MB bloated apps. Kura is a 100% private, zero-account, multi-phone shop ledger that syncs conflict-free over local Wi-Fi with end-to-end AES-256-GCM encryption. Now featuring an Executive Home Dashboard, Full P&L Statement, and Supplier Payables.

Launch Live Web POS ↗ Download for Windows / Android

9:41

Engineered Without Compromise

Everything your shop needs. In 57 KB.

From executive P&L analytics to 1-handed barcode scanning and multi-phone CRDT synchronization, Kura is meticulously optimized for speed, reliability, and local privacy.

Executive Intelligence

Executive Home Dashboard & Full P&L

Today's Net Turnover hero card, 4-card non-redundant balance grid, and animated 7-day revenue trend. Switch to Reports for period-filtered P&L statements (Today, 7D, 30D, Yearly, All) computing Revenue, COGS, Gross Profit, Petty Expenses, and Net Operating Profit with integer precision.

P&L Operating Statement (i64 Math) ● Real-time CRDT

Gross Revenue (Today) : ৳ 42,850.00 (18 bills)

Cost of Goods Sold (COGS) : ৳ 29,400.00 (68.6% cost basis)

Gross Profit : ৳ 13,450.00 (31.4% gross margin)

Operating Petty Expenses : ৳ 650.00 (Tea, courier, supplies)

✓ Net Operating Profit : ৳ 12,800.00 (29.9% net margin)

Zero-Bloat Performance

57 KB Frontend. 200ms Boot.

Built with Preact + Signals and a compiled Rust native engine, Kura boots in 200ms and uses 98% less memory than bloated web or Electron POS solutions.

Kura

57 KB

Flutter POS

35 MB

Electron POS

160 MB

Warranty & Receipts

Warranty Labels & Thermal Print

Support for Brand, Variant, and Warranty policies (7-day replacement, 6 months, 1 year). Direct TCP 9100 thermal stream, zero-dependency vector PDF invoices, and 1-tap WhatsApp dispatch.

KURA FLAGSHIP STORE

Client: Rafiqul Islam · Cashier: Owner (K1)

GaN Charger 65W x1 ৳ 1,850.00

Warranty: 1 Year Official Warranty

NET TOTAL ৳ 1,850.00

* Requires intact serial tag & invoice

Vendor Ledger

Supplier Payables ("Vendor Dues")

Record stock purchases from suppliers with partial cash payments. Kura atomically restocks inventory, updates the unit cost basis, and tracks outstanding vendor payables.

Vendor Payables Due

৳ 45,000.00

Anker BD · HOCO Global · Ispahani

Decentralized Sync

"Brave-Style" Sync Chain

Pair Owner & Cashier devices via QR code or 12-word mnemonic. Zero cloud server required; phones discover each other over UDP 42851 and sync deltas over TCP 42850.

Commutative CRDT Ledger

• Integer minor units (i64)
• End-to-end AES-256-GCM
• Conflict-free HLC timestamps

Hardware Barcode Gun & Vision

<35ms Laser Gun Detection & Native Camera Scanner

Plug in any USB or Bluetooth laser barcode gun. Kura intercepts sub-35ms keystroke bursts and looks up items or past receipts instantly without losing search focus. Need mobile scanning? The native BarcodeDetector camera scans EAN-13, UPC-A, Code-128, and Code-39 with zero third-party libraries.

HID Hotkeys: / · F2 · F4 · F6 A4 3x8 Label PDF OLED Dark Mode

Zero Cloud Lock-In