See also:
Applied Acoustics Systems Develops Tassman and Lounge Lizard, virtual instruments based on physical modeling. http://www.applied-acoustics.com/
Arturia Offers Moog Modular and CS-80V, a reproduction of the Yamaha CS-80. Specifications, audio samples, support, and download area. http://www.arturia.com/
AudioRealism It develops Bass Line, a bass emulator. Main features, audio samples, support area, purchasing information. http://www.audiorealism.se/
Beatcraft Virtual drum machine software. Make your own beat with 266 different drum sounds. http://www.acoustica.com/beatcraft/
Big Tick Audio Software Makers of the CheezeMachine, TickyClav, Angelina and Rhino software synthesizers. http://bigtick.pastnotecut.org/
Brainspawn Offers the Forte soft-synth controller. Also a tone generator and a spectrum analyser. http://www.brainspawn.com
Camel Audio Featuring Cameleon 5000 and some effect plug-ins. Description, screenshots, reviews, company information. http://www.camelaudio.com/
Cockaigne Developing some free VST instruments and effects for Window. Screenshots and download area. http://www.funkelectric.com/~cockaigne/
CreamWare Makers of DSP and synthesizer software and hardware for PC and Mac. http://www.creamware.com/
Crystal Semi-modular synthesizer featuring both subtractive and FM synthesis. Description, user guide, screenshots, downloadable demo. http://www.greenoak.com/crystal/
Cutter Music Creators of SawCutter softsynth. http://www.cuttermusic.com
Devine Machine Software A loop workstation VSTi, also offers the free LiveSyncRecorder PC VST plugin. http://www.devine-machine.com
Disco DSP Company that develops Discovery and Vertigo and some effects. Description, screenshots, audio samples, downloadable demos. http://www.discodsp.com/
Doggiebox Percussion sequencing application (drum machine) software for Mac OS X. Overview, screenshots, FAQ, mailing list and support area. http://www.doggiebox.com/
FabFilter Software Instruments Develops FabFilter One, a monophonic lead synthesizer in VST and AudioUnit format. Audio samples, downloadable demo. http://www.fabfilter.com/
Garritan Orchestral Libraries Developing intruments based on Kontakt software technology. Audio samples, features description, news and purchasing information. http://www.garritan.com/
Grapesynth A software synthesizer loosely based on the CZ series synth engine. http://goombas.org/fullview.asp?id=57
iDrum Drum machine for Mac OS X: overview, screenshots, main features, purchasing information. http://www.bitshiftaudio.com/products/audio/idrum/
KVR Audio Software synthesizer news, resources, information and reviews. http://www.kvraudio.com/
Lapjockey Reason ReFill suppliers. http://www.lapjockey.com
LinPlug Virtual Instruments [Win - Mac] Several VST synths: screenshots, audio samples, download and support area. http://www.linplug.com/
MachFive Overview, screenshots and technical specifications of this sampler from MOTU. http://www.motu.com/products/software/machfive/
Manyetas: Ritmo Audio Unit drumsampler for Mac OS X. Feature description, screenshots, audio samples, forum, downloadable demo and online ordering. http://www.manyetas.com/ritmo.html
MHC Synthesizers and Effects Space Synthesizer, Fatsondo Synthesizer, Voxynth, FlexFX, Space Effect, VST Plugins for Windows. http://www.mhc.se/software/plugins
Morphology Feature description, screenshots and system requirements of this instrument by Zero-G. http://www.zero-g.co.uk/index.cfm?articleid=787
Muon Software Virtual instruments such as Electron, Tau, Neutron, and Atom. Screenshots, demos. http://www.muon-software.com/
Musicrow Features several Instruments and Reaktor-5 ensembles. http://www.mcrow.net/
MX4 Virtual instrument from MOTU: overview, technical specifications, audio examples. http://www.motu.com/products/software/mx4
Nyr Sound Developer and supplier of synthesizers including Chaosynth, Ice and Fluid. http://www.nyrsound.com
The Oddity Virtual instrument modeled on the classic ARP Odyssey. Features, audio samples, system requirements, screenshots. http://www.gmediamusic.com/gforce/oddity/oddity.html
Pluginspot Distributors of the affordable DX-10, WASP and MDA piano softsynths. http://www.pluginspot.com/English/frames.html
Prophet 64 Use your Commodore 64 as a TB-303 sequencer with a Prophet 5-like interface. Includes a random composer pattern generator. http://www.prophet64.com
Psychic Modulation [Win] Features several VST instruments by Jack Resweber. Downloadable demos. http://www.psychicmodulation.com/
rgcAudio Software Creators of the Pentagon and (free) Triangle softsynths. http://www.rgcaudio.com
SampleTank Sound module which combines into a VST instrument, a sampler/synth engine with multisampled sounds. http://www.sampletank.com/
Sfx Audio Compiler System Integrated development system to generate real-time audio effects and synthesizer instruments using SAOL with SoundFont 2 for Structured Audio Score Language (SASL) and MIDI compositions. http://www.angelfire.com/electronic/sfx/
SoftPlug Adventus VST synth offers leads, pads, strings, basses, organs and pianos, for live performance work or sequencing. Demo available. http://www.softplug.com
SoHa Sound Design Makers of Sonata, a VST soft-synth for leads and pads http://www.sohasound.com
Sonic Charge µTonic [Win] Drum and percussion synth combined with a pattern based engine. Features, audio samples, downloadable demo, purchasing information. http://www.soniccharge.com/
Sonorous codes Creators of Atmogen, the visual additive software synthesizer. http://www.sonorouscodes.net/
Spectrasonics Virtual instruments like Stylus, Atmosphere and Trilogy. Audio samples, worldwide distributors, online ordering. http://www.spectrasonics.net/instruments/index.html
Stomper Non-real time 808 and 909 drum synthesiser. http://www.lysator.liu.se/~zap/stomper/
Synapse Audio Software Makers of Orion, Hydra and Scorpion. Screenshots, support and download area. http://www.synapse-audio.com/
SynC Modular A software synthesizer for Windows 95, 98 and NT4.0. Allows up to 16 voices. Available for free download. http://www.mtu-net.ru/syncmodular
Syntheway Instruments and effects such as DAL Flute, Master Hammond B3, Realistic Virtual Piano, Fantasize SoundFont Player http://www.syntheway.net
Synthogy Company that develops Ivory, a sample based piano virtual instrument. Features, screenshots, demos, purchasing information. http://www.synthogy.com/
Toontrack Develops DFH Superior, a drum and percussion virtual instrument. Main features, forum and support area, audio and video demos, purchasing information. http://www.toontrack.com/index_samples.shtml
Tweakbench Creators of freeware VST Instruments for Windows. http://www.tweakbench.com/
Twitch [Win] Drummachine allowing sample destruction, degrading, layering and reshaping. Screenshots, manual, download area. http://www.majken.se/twitch/
VirSyn Software Synthesizer Develops Tera and Cube. Description, downloadable demos, support area, company information. http://www.virsyn.com/
Virtual Instruments Magazine about the world of softsynths and samplers. Online subscription for both the paper and digital edition. http://www.virtualinstrumentsmag.com/
Virtual Synth Page A resource about software synthesizers including background information and detailed reviews. http://www.markwhite.com/vsp/
Visiomedia Software synthesizers, music production systems, audio and video processing software. http://www.visiomedia.com
VocalWriter Synth that sings English lyrics for Mac OS X: specifications, audio demos, download and purchasing information. http://www.kaelabs.com/
Way Out Ware TimewARP 2600 Arp 2600 emulator. RTAS plug-in. http://www.wayoutware.com
Yellow Tools Development of sound libraries and virtual instruments such as Culture, Majestic and Candy. Feature description, support area and purchase information. http://www.yellowtools.de/
Yohng.com Develops some virtual instruments and effects. Feature description, audio samples and demos available, screenshots, purchase information. http://www.yohng.com/
Zebra Description, technical overview, screenshots, download area and purchasing information about this synth that combines subtractive and additive synthesis. http://www.u-he.com/zebra/