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A screensaver or screen saver is a computer program that blanks the screen or fills it with moving images or patterns when the computer has been idle for a long time. The original purpose of screensavers was to prevent phosphor burn-in on CRT and plasma computer monitors hence the name. Though modern monitors are not susceptible to this issue, screensavers are still used for other purposes. Screensavers are often set up to offer a basic layer of security , by requiring a password to re-access the device. Some screensavers use the otherwise unused computer resources to do useful work, such as processing for distributed computing projects.

Motivation: Due to the steadily growing computational demands in bioinformatics and related scientific disciplines, one is forced to make optimal use of the available resources. Results: We developed a generally applicable distributed computing solution that uses a screensaver system similar to Seti Home. The software exploits the coarse-grained nature of typical bioinformatics projects.