Jeroen Breebaart has released SEND (Spectrum Enhancing Non-linear Device), a new plug-in that combines resonating low and high-pass filters with non-linear elements that generate even or odd harmonics.
SEND is currently in beta and is available for Windows as a VST effect plug-in.
17 Apr 2012 ToneBoosters Plug-ins updated to v2.6.1
10 Oct 2011 ToneBoosters updated to Version 2.3
05 Sep 2011 ToneBoosters 2.2 released
22 Jun 2009 Jeroen Breebaart updates Red Phatt Pro to v1.0.3