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DSP Audio Filter
FreeFilter or compress continuous real-world analog signals on your Windows PC.
WindowsDual Function Generator
FreeAllow your computer to generate two audio waveforms simultaneously using the PC sound card.
Windows
Audio Spectrum Analyzer
FreeAnalyze audio waves ranging from 10 Hertz to 20 kilo hertz.
WindowsSpectraScope
FreeView up to two audio waveforms in either the time or frequency domain.
Windows
Instrument Tuner
FreeAdjust the pitch of one or many tones from musical instruments.
WindowsVox Recorder
FreeRecord and transfer audio on your PC.
Windows
CW Decoder
FreeDecode and transmit Morse code from your PC.
Windows
Digital Voice Keyer
FreeDigital Voice Keyer: Automate Amateur Radio Voice Transmission
Windows
Simple Windows Packet Controller
FreeSimple Windows Packet Controller: Basic PC Comms Tool
Windows