BKGCalc - This calculator contains really advance features available in paid software. The fact that its free make this a must have freeware for your blackberry
itrezzoAgent Apple easily open file attachments on the RIM BlackBerry handheld. Provides simplified access to the popular itrezzoAgent Server Software. New version automatically opens attachments after they are rendered to an itrezzoStream. Supports BlackBerry 2.1 and 2.5 OS