Name Category Description
amsynth media-sound Virtual analogue synthesizer
audacity media-sound Free crossplatform audio editor
calf media-plugins A set of open source instruments and effects for digital audio workstations
ecasound media-sound a package for multitrack audio processing
ffmpeg media-video Complete solution to record/convert/stream audio and video. Includes libavcodec
guitarix media-sound Virtual guitar amplifier for Linux
linuxsampler media-sound Software audio sampler engine with professional grade features
lsp-plugins media-libs Linux Studio Plugins
mixxx media-sound Advanced Digital DJ tool based on Qt
qmidiarp media-sound Arpeggiator, sequencer and MIDI LFO for ALSA
yoshimi media-sound Software synthesizer based on ZynAddSubFX

Thank you!