Helm has been discontinued. Similar apps include Vital, which is open source with a free version. Other options are ZynAddSubFX, Odin 2, Cycle.io and Dexed. You can choose from more than 10 Music Production Apps like Helm for Windows, Mac, Linux, iPad and iPhone.
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.
United States
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.
Romania
EU
Odin 2 is a versatile 24-voice polyphonic synthesizer that covers about every type of synthesis out there. Odin 2 is released as open-source software.
GermanyEU
Cycle is the leading LowOps platform built to simplify containers, standardize infrastructure, and automate DevOps. Deploy to your own infrastructure whether it's in the cloud, on-prem, or a mixture of both. The power of Kubernetes, without Kubernetes.
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.
FranceEU
Surge is an open source digital synthesizer originally written and sold as a commercial product by @kurasu (Claes Johanson) at Vember Audio. The synth uses subtractive hybrid synthesis and each patch contains two 'scenes' which are separate instances of the entire...
United States
Movement in nature has inspired us for centuries. And now, the sounds of movement in nature have inspired a new instrument that will put you into a creative state of flow.
South Korea
The NES VST is designed to emulate the 8-bit sounds of the Nintendo, remaining faithful to the specifications of the 2A03 chip.
United States
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
synthv1 is an old-school all-digital 4-oscillator subtractive polyphonic synthesizer with stereo fx.
PortugalEU
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.
