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

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.

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

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.