What is it?
A wavetable(transwave)-player made as a companion to blacktomcat666`s Audioterm.
You will find it here:
http://www.kvraudio.com/forum/viewtopic.php?t=334828&postdays=0&postorder=asc&start=0&sid=0bddd6ef8eecc40bc9f3ca08154b1cb1
Apart from that the player can be modified for any other wavetable generating programm. Source OSM is included and free.
What is special?
Oscillator is a dual wavetable player with cross-phasemod and additional wavecut synthesis.
A quad-mod-LFO, morphable from sin to square.
Install: 
Put the Audio-Term folder in your VST folder and my VST in the Audio-Term folder. Strip the version number from Audio-Term.exe. Put the example wavetables in the Data/Wave folder.
You can then call Audio-Term from within the VST and load wavetables from the wave folder.