BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed framebuffer support, image & signal-processing tools.
Comical is a portable CBR and CBZ viewer written in C++ using wxWidgets. It supports multiple image formats and uses high-quality image scaling algorithms to fit pages onscreen.
Plasmatic is a cross platform multimedia delivery and playback system. While designed primarily for digital signage applications, its flexibility allows for any number of uses.
PhotoArch is a set of PHP scripts. It is a front-end to a photo database.
It is not a web photoalbum. It is more! It allows you to index and reference your photography collection and make parts of it available to general public or a set of users.
Application to display, as well as interpret, firewall information from a database to serve a variety of users needs. The application is online and cross-platform, written using PHP.