Klaus looks at problems with VNC-based shared desktops and a frozen screen with an Nvidia card.

With the right tools, you can store YouTube movies on your hard disk and view them when Internet access is unsatisfactory or unavailable.

PDF is always a good choice say some people. As a test, we produced PDF files only to maltreat them with several open source programs. Some of the editors and extractors do a very good job, but others fail completely.

The Urban Lightscape photo tool lets you adjust local brightness levels within an image, thus turning a simple snapshot into a real eye-catcher.