x42-plugins is a collection of cross platform LV2 audio/MIDI plugins, currently featuring over 80 plugins from 11 repositories.

The x42-plugins collection consists of the following -

meters.lv2 Collection of audio-level meters
tuna.lv2 Musical instrument tuner with strobe characteristics
fil4.lv2 4 band parametric graphical EQ
balance.lv2   Stereo conditioner
convoLV2 Zero latency convolution
sisco.lv2 Simple audio oscilloscope
mixtri.lv2   Matrix mixer and trigger processor intended to be used with sisco.lv2
midifilter.lv2 MIDI event filters
nodelay.lv2   Simple audio delay-line that also reports its delay as latency
onsettrigger.lv2 Audio to MIDI converter currently intended for Bass/Kick-drums
xfade.lv2   Audio-plugin for stereo cross-fading 2 x 2 input channels to 2 output channels