Recommended plugins

Filters and processing

  • LSP plugins, an extensive set of plugins for effects and channel processing
  • dpl.lv2, a look-ahead digital peak limiter
  • fil4.lv2, a 4 band parametric equalizer with additional low & high shelfing and high & low-pass filters

Visualization

Drums and percussion

  • AVL Drumkits, a drum sampler with two built-in kits
  • DrumGizmo, a drum sampler with separately downloadable kits
  • Geonkick, a drums/percussion synthesizer

Synthesizers

  • Cardinal, a modular synthesizer with Eurorack aesthetics
  • OB-Xd, a soft synth resembling vintage Oberheim OB-X synth
  • Dexed, a Yamaha DX7 simulator
  • Odin2, a 24-voice polyphonic synth
  • Surge XT, a hybrid synthesizer
  • Vital, a spectral warping wavetable synth

This website keeps a track of all software synthesizers available for Linux.