Download of QRCode Font Kit 5.1 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular version among the software users is 5.1. This tool was originally created by dLSoft. QRCode Font Kit is categorized as Multimedia Tools.
From the developer:
QRCode Font Kit allows you to convert a character string into a QR Code barcode. The fonts included are provided in TrueType, OpenType, and Postcript formats and at several weights. The Font kit comes with examples (with source code) for C/C++, MS Access, Crystal Reports, Delphi, Java, VB6, VB.NET and Visual FoxPro.
You may want to check out more software, such as Morovia QRCode Fonts Encoder or Kite, which might be related to QRCode Font Kit.