LSP (Linux Studio Plugins) audio-plugins (standalone JACK clients)

 Linux Studio Plugins (LSP) provides a collection of audio effects,
 synthesizers, and a selection of audio tools for music and sound
 production. It provides standalone JACK clients and integrates
 into the LV2, LADSPA and VST plugin frameworks.
 .
 LSP provides the following plugins:
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 Audio effects: limiters, dynamic processors, expanders, gates,
 graphic equalisers, impulse responses, impulse reverbs, compressors,
 multiband compressors, parametric equalisers, phase detector,
 sidechain multiband compressors, sidechain limiters,
 sidechain dynamic processors, sidechain expanders, sidechain gates,
 sidechain compressors, slapback delays, delay compensators, triggers.
 .
 Synths: samplers, and multisamplers.
 .
 Tools: latency meters, oscillators, profiler, spectrum analyzers,
 and MIDI triggers
 .
 This package provides the standalone JACK clients.