Black Cat Systems

Knitting Wizard

Trial version

Create custom knitting grids and diagrams.

Atomic PC

Trial version

Learn and improve your knowledge on atomic elements and its various forms.

RF Toolbox

Trial version

Design several types of antennas.

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...

MultiMode

Paid

tool for morse, RTTY, FAX, SSTV & other ham radio modes

Graffikon (Classic)

Paid

create custom pdf files, containing text & shapes

Elmer

Trial version

Prepare for written ham radio exams with simple tests.

Morse Mania

Trial version

Morse code tutor helps to read & write morse code.

Sound Byte

Trial version

Setup a sound effects and radio station cart machine.

Packet Pad

Paid

Packet Pad lets you view Packet Radio transmissions on your iPad, iPhone and iPod Touch. Just set it next to your radio, tune in a Packet...

SSTV Slow Scan TV

Paid

Want to display or send ssTV transmissions, without using a bulky computer?

Sound Byte Cart Machine App

Paid

Looking for a way to play sound clips at a theater or sporting events, as a DJ, or at other events? Dont want to lug a computer around with you?...

RF Toolbox

Paid

Determines ham radio antenna design parameters

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...

Atomic Mac

Paid

periodic table with detailed physical/nuclear info

GM-10/45 USB drivers

Free

Drivers for the GM-10 & GM-45 devices

Synth 76477 Complex Sound Synthesizer

Paid

Synth 76477 is a powerful sound effects generator and synthesizer app, inspired by the famous SN76477 integrated circuit from the 1970s, but...

Graph Paper Maker

Trial version

Create & print custom sheets of graph paper.

MatchMaker

Trial version

Find the match between your radio and an antenna.

Black Cat CW Keyer X

Paid

Send morse code from typing or macros.

Label Wizard

Trial version

Create your own custom sheets of labels.

Selective Calling Generator

Paid

Generate selective calling tones.

Black Cat HF Weather Fax

Trial version

Tune your shortwave radio to a weather fax transmission.

Function Generator Pad

Paid

Function Generator Pad turns your iPad into an audio function generator and an audio sweep generator.You can have up to 13 generators, each...