sound card

MidiMeow is a midi to wav/mp3/ogg converter (need a sound card with midi output)

A program for amateur radio digital communications via a sound card.

Program to decode Morse code (CW) via sound card to text.

Switch your default sound card easily from the system tray

It will play songs and mix using more than one sound card in the same computer.

PCLab application turns your sound card into a signal generator and oscilloscope

A voice file utility, plays your VOX files over the sound card.

Implement RACE to use your computer as it for signals into the sound card inputs

It records incoming & outgoing telephone conversations using sound card

Record audio from sound card or DV cam to AIF, AVI, MKA, MP3, OGG, WAV, WMA, M4A