vst classic chorus

Smooth Chorus Effect (AU, DX, RTAS and VST Plug-in) (Freeware)

Wide Stereo Chorus Effect Plug-in (RTAS, VST, Audio Unit, DirectX) (Freeware)

Classic Flanging Effect Audio Plug-in (VST, AU, RTAS, DirectX) (Freeware)

You can reproduce sounds from classic analogue drum machines with this program.