Software
4ormulator Vocoder Extreme, Akai Professional DC Vocoder, AnalogX Vocoder, Cylonix, Native Instruments Vokator, OrangeVocoder, Settel Vocoder, Zerius Vocoder
Analog Vocoder information
Specifications and reviews of vintage hardware vocoders.
Doepfer A-129
Modular 13-band vocoder designed for the A100 modular synthesis system.
Electrix WarpFactory
MIDI controlled hardware device, several audio demos available.
Korg MicroKorg
Synthesizer with integrated 8-band vocoder and microphone.
Roland VP-330 Vocoder Plus
Keyboard and rack mount vocoder used extensively in electronic music.
Vocoders and Vocoder-Derivatives
Detailed description of how vocoders work as well as ways of improving results.