simplexbmcremote is a simple application for controlling XBMC remotely via the EventServer. It can navigate your collections, start, pause, and stop media, skip forward and backward, control the volume, and switch the subtitles. It is available on the Maemo5 (N900), MeeGo Harmattan (N9/N950), and Symbian^3.
RC Flyers Toolkit Box is a handy toolbox for R/C pilots. It helps you manage batteries, flights, charge cycles, and check lists. It helps you keep track of which of your batteries are charged, where and when you have been flying last, how much went in your battery compared to the last cycle, what you have to pack to take with you, and which parts you have to check before flying. For rotary wing users, there is a pinion calculator that quickly gives you an idea about the RPM to be expected.