Classes for generation of not only (X)HTML code. It is possible to create also XML, XSL, SVG and many other - but possibilities are limited by original purpose: creation of HTML code.
QRMAN an open source Url Shortener and QR Codegenerator with excellent features. Create, Manage, track Qr codes. Excellent statistics for every QR codes.
TeleFlow-VXML provides a means to generate VoiceXML (or VXML) applications from TeleFlow Tap/Tam files created with TeleFlow Designer and related tools.