AlsaModularSynth
Arcangel
Calf
Creox
DSSI
Ecamegapedal
ELE
ExEf
FreqTweak
Frinika
Glame
GnomeNibus
GNUitar
GTK Guitar Effects Processor
Guitar FX Processor
guitarix
JACK Rack
Jesusonic
KGuitar
KTabEdit
Lack Of Invention
LADSPA
LV2
ME-Edit
Octavian
Polarbear
Rakarrack Guitar Effects
SoX
StompBoxes
Tapiir
TAP-plugins
Teliasopia LV2 Plugins
TuxGuitar
Ultra Power Effects Max II
wxGuitar
ZynAddSubFX