OIN C ▁projects , ▁Ros etta @ home ▁runs ▁in ▁the ▁background ▁of ▁the ▁user ' s ▁computer , ▁using ▁idle ▁computer ▁power , ▁either ▁at ▁or ▁before ▁logging ▁into ▁an ▁account ▁on ▁the ▁host ▁operating ▁system . ▁ ▁The ▁program ▁fre es ▁resources ▁from ▁the ▁CPU ▁as ▁they ▁are ▁needed ▁by ▁other ▁applications ▁so ▁that ▁normal ▁computer ▁use ▁is ▁una ffect ed . ▁ ▁Many ▁program ▁settings ▁can ▁be ▁specified ▁via ▁user ▁account ▁prefer ences , ▁including : ▁the ▁maximum ▁percentage ▁of ▁CPU ▁resources ▁the ▁program ▁can ▁use ▁( to ▁control ▁power ▁consumption ▁or ▁heat ▁production ▁from ▁a ▁computer ▁running ▁at ▁sust ained ▁capacity ), ▁the ▁times ▁of ▁day ▁during ▁which ▁the ▁program ▁can ▁run , ▁and ▁many ▁more . ▁ ▁Ros etta , ▁the ▁software ▁that ▁runs ▁on ▁the ▁Ros etta @ home ▁network , ▁was ▁re written ▁in ▁C ++ ▁to ▁allow ▁easier ▁development ▁than ▁that ▁allowed ▁by ▁its ▁original ▁version , ▁which ▁was ▁written ▁in ▁Fort ran . ▁ ▁This ▁new ▁version ▁is ▁object - orient ed , ▁and ▁was ▁released ▁on ▁February ▁ 8 , ▁ 2 0 0 8 . ▁ ▁Development ▁of ▁the ▁Ros etta ▁code ▁is ▁done ▁by ▁Ros etta ▁Commons . ▁The ▁software ▁is ▁freely ▁lic ensed ▁to ▁the ▁academic ▁community ▁and ▁available ▁to ▁ph arma ce ut ical ▁companies ▁for ▁a ▁fee . ▁ ▁Project ▁significance ▁▁ ▁With ▁the ▁pro l ifer ation ▁of ▁gen ome ▁sequ encing ▁projects , ▁scient ists ▁can ▁infer ▁the ▁am ino ▁acid ▁sequence , ▁or ▁primary ▁structure