The Darktable RAW photo editor, light table and workflow manager takes a different approach to photo editing and management. The interface takes some getting used to; is it worth the learning curve?

The PostGIS database project made its long-awaited 2.0.0 release in April, marking the culmination of more than two years of development. PostGIS is an industrial-strength geographical database that serves as the storage system for a wide range of geo-data processing systems, from map servers to analysis tools.

The sudo utility is one of the workhorses of Linux, but it's often not used as skillfully as it could be. If you're just using sudo to provide full root access to regular users, it's time to take a step back and fine-tune sudo to be a bit more picky.

Considering Linux's foothold in everything from embedded devices to supercomputers, describing the project's growth as astronomical is no exaggeration. But it is a literal truth, too, as Linux and open source software power scores of professional and amateur astronomy projects. Whether you need to precisely drive a large telescope for scientific purposes or just want to create decent-looking astrophotography, chances are there is a project out there already suited for the task.