Black Cat Systems

Black Cat Systems offers a wide range of software products for the Macintosh platform. Areas of focus include the scientific, educational, health, and amateur radio markets.

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Diet Sleuth
Trial version
Keep track of calories and the nutritional value of what you eat.
Mac
Morse Mania
Trial version
Morse code tutor helps to read & write morse code.
Mac
Knitting Wizard
Trial version
Create custom knitting grids and diagrams.
Windows
Graffikon (Classic)
Paid
create custom pdf files, containing text & shapes
Mac
MultiMode
Paid
tool for morse, RTTY, FAX, SSTV & other ham radio modes
Mac
Elmer
Trial version
Prepare for written ham radio exams with simple tests.
Windows
NAVTEX Decoder
Paid
Are you on a ship? Do you need to be able to receive up to date weather and marine safety transmissions?NAVTEX Decoder lets you view NAVTEX marine...
Android
iDXCluster
Free
DX cluster app for SW listeners, DXers & monitors
Mac
GM-10/45 USB drivers
Free
Drivers for the GM-10 & GM-45 devices
Mac
MININEC Pro
Trial version
Antenna analysis software.
Mac
RF Toolbox
Trial version
Determine ham radio antenna design parameters.
Mac
Atomic PC
Trial version
Learn and improve your knowledge on atomic elements and its various forms.
Windows
HF Weather Fax
Paid
Receive marine weather radiofascimile transmissions on your Android device.
iOS
Field Strength Calc
Paid
Field Strength Calc helps you determine the received strength of a transmitted signal.Enter in the transmitter power, antenna gains, distance, and...
iOS
ALE Automatic Link Establishment MIL-STD-188-141B Decoder for Shortwave and Ham Radio
Paid
Want to display ALE transissions, without using a bulky computer?With this app, you can decode Automatic link establishment (ALE) MIL-STD-188-141B...
iOS
Audio Spectrum Analyzer
Paid
Spectrum Pad turns your iPad, iPhone, or iPod Touch into an audio spectrum analyzer.
iOS
PSK31
Paid
Want to monitor PSK31 transmissions, without using a bulky computer? PSK31 lets you view ham radio PSK31 transmissions on your iPad. Just set your...
iOS
RF Link Calc
Paid
RFLinkCalc is a numerical calculation tool for radio engineers. It models the characteristics of an RF link, including Wireless Internet (WiFi)...
iOS
RF Toolbox
Trial version
Design several types of antennas.
Windows
Sara
Free
Apple III emulator
Mac
Shortwave Broadcast Schedules
Paid
Are you a shortwave radio listener (SWL) in need of an up to date set of schedules for international broadcast stations?
iOS
Transmission Line Calc
Paid
Transmission Line Calc allows you to perform several calculations related to RF transmission Lines.After selecting from one of 53 different...
iOS
Sound Byte Control - Remote Control App for the Sound Byte Cart Machine Program
Free
Sound Byte Control lets you control a copy of Sound Byte running on a remote computer from your iPad. Now you can run Sound Byte for all your sound...
iOS
Synth 76477
Trial version
Sound effects generator and synthesizer app.
Mac