wave-player is a remotely-controllable music player (frontend) connecting via HTTP calls to a music database (backend). It allows music to be controlled and streamed via HTTP so you can hear your music at work or anywhere else. The frontend is based on QT4 and the backend uses via Perl/MySQL. The API is open and REST-based.
HTMTEX reads hand-coded ASCII HTML documents with embedded TEX-like islands (backslash-escaped symbols, inline math, and displayed math). It writes Unicode HTML documents with UTF-8 encoded symbols, and span- and table-formatted math. The converter itself is a customizable sed script. Visualization is regulated by a customizable stylesheet file.
RainCaptcha is a CAPTCHA class that does not require any image processing extensions (GD, ImageMagick, etc). CAPTCHA was developed to be readable by humans and resistant to OCR software. It generates black-and-white images with 5 distorted letters on them and noise. Its checking algorithm is case-insensitive.
Arcavias is an e-commerce framework for Web shops, consisting of an e-commerce library, an administration interface, and different frontends. It's a modular stack which offers flexibility and speed. Unlike other Web shops, it's not a monolithic application. Instead, you have a choice between several user frontends, and you can adapt them to your needs or write one of your own.
OGRI (Original Generic Reporting Intranet) provides a simple Web-based interface with "portals" for viewing any number of reports in a secure manner. It is designed to be as lightweight as possible in terms of server load, and its simple interface means it works well with most browsers.