QR code generating library with HTML/PNG/mPDF output possibilities

mPDF documentation

A cross platform HTML5 QR code reader.

The best web based QR Code reader on the web

Javascript QRCode scanner

barcode.php - Generate barcodes from a single PHP file. MIT license.

FPDI is a collection of PHP classes facilitating developers to read pages from existing PDF documents and use them as templates in FPDF.

The classic email sending library for PHP

FPDF is a PHP class which allows to generate PDF files with pure PHP. F from FPDF stands for Free: you may use it for any kind of usage and modify it to suit your needs.

Super simple WYSIWYG editor

Php library to retrieve statements of your bank accounts using FinTS/Hbci.

PHP library generating PDF files from UTF-8 encoded HTML

PHP library to convert HTML to formatted plain text

a easy solution for simple IMAP email access in php

PHP library to communicate with FinTS/HBCI servers

A simple PHP WebAuthn (FIDO2/Passkey) server library

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

ZUGFeRD/XRechnung/Factur-X Library

A comprehensible PHP library to write Factur-X/ZUGFeRD XML files