Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows and MacOSX. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.
The Simple Graphics Cluster Toolkit is a framework to support the development of non-standard display environments, such as fisheye rendering or cluster systems
A device which can point at the position of the sun, moon and planets. The user can choose if he wants the current position or a specific timestamp. Parts are 3D-printed.
