QRGen consists of three modules: core, javase and android. As of 2.1.0 QRGen is available from jitpack.io. QRGen is no longer deployed to maven central (ref: #61 ...

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL open source licenses.