Black Cat Systems
iDXCluster
FreeDX cluster app for SW listeners, DXers & monitors
Mac
Knitting Wizard
Trial versionKnitting Wizard: Design Custom Knitting Diagrams Effortlessly
WindowsDiet Sleuth
Trial versionKeep track of calories and the nutritional value of what you eat.
Mac
Atomic Mac
Paidperiodic table with detailed physical/nuclear info
Mac
SelCall
Trial versionGenerate calling tones and play them as singlets or in bursts.
MacBlack Cat ACARS
Trial versionTune your VHF radio or scanner to an ACARS frequency.
MacSynth 76477
Trial versionSound effects generator and synthesizer app.
Mac
MatchMaker
Trial versionOptimize Your Radio and Antenna Match Instantly
Windows
MultiMode
Paidtool for morse, RTTY, FAX, SSTV & other ham radio modes
Mac
Audiocorder
Trial versionRecords audio manually & automatically.
Mac
Black Cat CW Keyer X
PaidSend morse code from typing or macros.
MacSonde
Trial versionDecode live audio from a sound card input, as well as from WAVE recordings.
MacGraffikon
Trial versionCreate custom ODF files.
Windows
Elmer
Trial versionMaster Ham Radio Exams with Elmer Practice Tests
Windows
DX ToolBox
Trial versionRadio propagation tools for ham & shortwave.
Mac
iUnit
Paidconversions for 1500+ measurement units & world currencies
Mac
Sara
FreeApple III emulator
Mac
iUnit
Paidconversions for 1500+ measurement units & currencies
MacMatchMaker
Trial versionFind the optimum match for your antenna and radio.
MacGraffikon (Classic)
Paidcreate custom pdf files, containing text & shapes
MacMININEC Pro
Trial versionAntenna analysis software.
MacLabel Wizard
Trial versionCreate your own custom sheets of labels.
Mac
RF Toolbox
Trial versionDesign several types of antennas.
Windows
Audio Toolbox
Trial versionProduce sound effects and tune musical instruments.
Mac