Kaywa QR Code - Kaywa QR Code is a QR-Code Generator.
Uniqode - Uniqode: Revolutionizing QR Codes, Simplifying Solutions.
ZXing Project QR Code Generator - Generate QR Codes.
FlowStone - FlowStone - the new graphical computer programming tool that allows you to create your own standalone programs quicker and more easily than ever before, download for FREE!
GNU-Barcode - GNU Barcode is a tool to convert text strings to printed bars.
LabVIEW - LabVIEW offers many of the functions you'd find in a traditional script-based programming language presented in a more intuitive visual interface ideal fo engineering.