Letter: J
- jaaa - Jack and ALSA Audio Analyser
- jace - Jack and ALSA Convolution Engine
- jack-audio-connection-kit - the Jack Audio Connection Kit
- jack-audio-connection-kit-devel - Header files for Jack
- jack-audio-connection-kit-example-clients - Example clients that use Jack
- jack-keyboard - Virtual keyboard for JACK MIDI
- jack-rack - Stereo LADSPA effects rack for the JACK audio API
- jackeq - Audio routing and manipulation tool for Jack
- jackmix - A Jack based mixer application
- jacktrip - Multimachine jam sessions over the internet
- jamin - JACK Audio Connection Kit (JACK) Audio Mastering interface
- japa - Jack and ALSA Perceptual Audio Analyser
- jdelay - Jack utility to measure latency of soundcards
- jmess - A utility to save your Jack audio connections (mess)
- jmeters - Multichannel audio level meter
- jnoise - Jack utility that generates white and pink noise
- juce - Cross-platform C++ class library