A WPF application that allows direct printing of HTML content to Windows printers with custom formatting tags support and preview functionality. Perfect for thermal printers and receipt printing.

Thermal Printer ESC/POS Library For Android.

Cat Printer SDK: Manage Chinese Cat Printers Using Bluetooth in Browser

Print to Star CloudPRNT compatible printers from WooCommerce

Print Tasks, Bugs, Stories etc. to POS Printer

Cafe21 is a powerful Restaurant & Cafe Management System built with Flutter, integrated with Firebase for cloud storage, and compatible with Android Bluetooth POS Printers.

pos-printer is a Go application designed to fetch order details from an API and print a formatted receipt on a thermal printer. It uses environment variables for configuration and supports token-based authentication.

Raspberry Pi USB→Wi-Fi bridge for the Star Micronics TSP143IIIU receipt printer (Shopify POS compatible), with byte-level reverse-engineering of the Star Discovery Protocol, StarPRNT ASB framing, and TCP/9101 status protocol — captured from real hardware.

Python SDK for Star thermal printers operating in Graphic Mode. Slop-coded, poorly-reviewed, barely-supervised.

Telpo Printer Plugin

Sistema web self-hosted para el registro de asistentes en eventos e impresión instantánea de acreditaciones. Permite escanear códigos QR desde el móvil, actualizar la asistencianvi en tiempo real en Google Sheets y ear la orden de impresión automáticamente a impresoras térmicas portátiles mediante Web Bluetooth API.

Run Windows FPrint on macOS via Wine for Datecs fiscal printers. Complete solution with Chrome extension for file automation and menu bar monitoring app. Production ready.

POS receipt-printer ruler/label generator with a local web UI

An agent skill for generating, debugging, and reasoning about ESC/POS thermal printer command streams. All command data is sourced from the canonical ESC/POS command PDF with byte-level accuracy.