ZynAddSubFX is described as 'Fully featured open source software synthesizer capable of making a countless number of instruments, from some common heard from expensive hardware to interesting sounds that you'll boost to an amazing universe of sounds' and is an app in the audio & music category. There are more than 25 alternatives to ZynAddSubFX for a variety of platforms, including Windows, Mac, Linux, BSD and iPad apps. The best ZynAddSubFX alternative is ZynAddSubFX for Android, which is both free and Open Source. Other great apps like ZynAddSubFX are Helm, Vital, yoshimi and Odin 2.
Qsynth is a simple Qt4 application wrapper for the FluidSynth software MIDI sequencer for Linux. Qsynth is a fluidsynth GUI front-end application written in C++ around the Qt4 toolkit using Qt Designer.
FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has reached widespread distribution.
TAL-NoiseMaker is an improved version of TAL-Elek7ro and has a completely new synth engine and a lot of improvements in sound and usability. The synth also includes a small effect section with a reverb, chorus and a simple bit crusher effect.
Switzerland
Tyrell is the name of a project by the German online magazine Amazona.de. A reader survey and follow-on forum posts provided a pool of ideas for a low cost HARDWARE analogue synth, which Mic 'Moogulator' Irmer used to develop quite a powerful concept.
Germany
EU
ABSYNTH 5 is an exceptional synthesizer with unique sonic potential and more than 2,100 preset sounds. Its speciality is a limitless spectrum of unusual, evolving sounds created using the powerful, hybrid synthesis architecture and sophisticated modulation and effect system -...
GermanyEU
Oxe FM Synth is a touch-sensitive, realtime polyphonic FM-based music synthesizer created and maintained by Oxe Software.
synthv1 is an old-school all-digital 4-oscillator subtractive polyphonic synthesizer with stereo fx.
PortugalEU
A virtual analog synthesizer, Tunefish v4 was developed as a smaller replacement of Tunefish v3 with roughly the same power - some might argue it's even more powerful. It was also ported over to Linux and MacOS and was given a new polished UI.
PortugalEU
PortugalEU
Synth1 is a software synthesizer modeled on the Clavia Nord Lead 2 Red Synth. It combines the common sound synthesis method of Subtractive & FM synthesis.
Japan
