1)   MultiMode 4.6.0
MultiMode allows you to decode and transmit morse code (CW), RTTY, FAX, SSTV, SITOR-B, NAVTEX, PACKET, ACARS, PSK31, ALE, and many other modes on your Macintosh, without any extra hardware.
radio, amateur, rtty, fax, cw, morse, code, sstv, acars, ACARS,

 2)   Radio Explorer 2.6.1
Graphic viewer for shortwave radio broadcasting schedules. Displays data in a tree-like expanding table, on a 24-hour Gantt chart, and on a world map with greyline and frequency colouring.
radio, station, shortwave, short, wave, listening, broadcasting, transmission, schedule, scheduling,

 3)   DX ToolBox 2.6.0
DX Toolbox gathers information on solar and geomagnetic conditions that affect radio propagation. It also features several propagation forecasting tools, and is ideal for the ham radio operator, shortwave listener, or other radio enthusiast.
radio, amateur, grayline, propagation, prediction, day, night, terminator, shortwave, radio,

 4)   DX ToolBox 2.6.0
DX Toolbox gathers information on solar and geomagnetic conditions that affect radio propagation. It also features several propagation forecasting tools, and is ideal for the ham radio operator, shortwave listener, or other radio enthusiast.
radio, amateur, grayline, propagation, prediction, day, night, terminator, shortwave, radio,

 5)   Frequency Filer 4.3
Radio frequency database designed for amateur radio operators or shortwave and scanner enthusiasts. Geographic information can be displayed on a high resolution globe. Incudes data conversion utility.
radio, frequency, ham, scanner, shortwave, database,