LightPadSynth - lighter version of CubicPadSynth.
WaveShaper Pack - 4 stereo waveshapers. Waveshaping algorithms are naive, but all provides option for 16x oversampling.
EnvelopedSine - another additive synthesizer which computes 64 sine waves per note.
IterativeSinCluster - an additive synthesizer.
TrapezoidSynth - monophonic synthesizer equipped with trapezoid oscillator which is made from 5th order PTR ramp function.
FDNCymbal - another attempt to make cymbal sounds.
WaveCymbal - banded wave-guide synthesizer.
SyncSawSynth - synthesizer with up to 10th order PTR sawtooth oscillator.
SevenDelay - 7th order lagrange fractional delay.

https://github.com/ryukau/LV2Plugins