qz-tray

Print to ESC/POS/StarPRNT thermal receipt printers straight from the browser — Web Bluetooth, Web Serial, WebUSB, or QZ Tray — no Node at runtime. Includes a preview renderer to test receipts without a physical printer.

Awesome silent printing for the web — no print dialog. QZ Tray, web-print-pdf, JSPrintManager, Lodop alternatives, Vue/React, labels & receipts.

Direct-to-printer barcode label printing for ERPNext (QZ Tray / Zebra Browser Print, raw ZPL, no PDF)

Unofficial local-first ZPL and PDF print capture for Amazon Seller Flex on macOS

Local-first cafe POS with React, FastAPI, SQLite, order management, reporting, and thermal-printer support.

A full-stack POS and customer food-ordering web application. Features real-time kitchen tracking, FPX payments (ToyyibPay), dual-menu event system, and automated ESC/POS thermal receipt printing via QZ Tray.

Project I used to research QZ Tray usage on React

Print barcode labels directly to thermal printers from ERPNext with ZPL, skipping preview dialogs for faster, sharper warehouse workflows.