GNU Radio is a free and open-source software development toolkit that provides signal processing blocks to implement software radios. It can be used with readily-available low-cost external RF hardware to create software-defined radios, or without hardware in a simulation-like environment. It is widely used in hobbyist, academic and commercial environments to support both wireless communications research and real-world radio systems.
Keep regular music beats with a metronome widget for your Dashboard.
A small, unobtrusive widget to start a search on italian trains timetables.
Free preference pane that lets you manage Widgets in Mac OS X.
Run system commands and display their output on your desktop in widgets.
TimeScroller is a simple way of displaying world times on your Macintosh.
Always know what's next on your schedule using iCal Events.
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