Microsoft Research Cambridge
This tool enables biologists and modelers to construct high-level theories.
Zeta Centauri, Inc.
Allows you to use the mouse and computer keyboard to play external MIDI devices.
TTS software tool to produce MP3, WAV, or VOX audio files from any text.
You can use this software to practice and improve your piano skills.
Koba Vision BVBA
KobaSpeech combines all your favourite speech synthesizers from Nuance VOCALIZER.
StudioLinked VST INC.
Urban Redline Synthesizer is a professional audio synthesizer for Mac.
virtual analog modular synthesizer.
Software Synthesizer (B3 Hammond Organ emulation).
Play piano synthesizer in your PC keyboard with realtime wave and midi saving.
discoDSP Discovery Pro is a virtual analog synthesizer plus sampler.
Oxe Music Software
Oxe FM Synth is a free synthesizer in two versions: VST Plug-In and standalone.
HighC is a graphical music creation tool,a synthesizer, a sequencer and a mixer.
RightNow Technologies, Inc.
A "synthesizer-type" filter for all those trendy "bleep"- and filter-effects.
Native Instruments Software Synthesis GmbH
ABSYNTH 5 is a powerful synthesizer with unique sonic potential.
MyDrums is a complete percussion synthesizer.