The best free alternative to Serum is Surge Synthesizer, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Serum and eight of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Serum are Vital (Free, Open Source), Helm (Free, Open Source), Dexed (Free, Open Source) and ZynAddSubFX (Freemium, Open Source).
Vital is a spectral warping wavetable synthesizer with drag'n'drop modulation workflow and animated preview of the synth's inner workings where needed. Comes with many modulation sources (including audio-rate), MPE support and FX chain.
Vital vs Serum opinions
Almost everyone thinks Vital is a great alternative to Serum.
DesCtrl Ui, sound posibilities, effects, just everything really
Dexed is an FM-type softsynth developed by Pascal Gauthier of Digital Suburban. It is an ideal application for importing, playing and editing/managing sysex patches from both the classic Yamaha DX7 synthesizer and the TX7.
ZynAddSubFX is a 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.
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ZynAddSubFX vs Serum opinions
pros, cons and recent comments
It has so many options and you can make your creativity fly even if you are not a pro at producing
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. Features: • 2 Oscillators, FM modulation, ring modulation, sync, modulation envelope.
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.