Spire by Reveal Sound: what it does + free alternatives
Polyphonic synth loved for big trance and EDM leads and plucks.
Opens Reveal Sound's own site.
Put SCRAMBLE. on your synths and melodies
One button rolls a new FX chain: glitch, stutter, tape stop, chops, reverb, delay and vocal tune. There are 43,252,003,274,489,856,000 possible chains, the same count as the positions of a 3x3 cube. Save 10,000 presets a day and 1% of them would take 118 billion years, over 8x the age of the universe.
Not just loops: drum buses, 808s and bass, hats, vocals and the master bus. 3,000+ downloads so far.
Free alternatives to Spire
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FreeVital
Wavetable synth with a free tier full of presets and wavetables. The free Serum alternative most producers start with.
FreeSurge XT
Open-source hybrid synth with hundreds of presets and a huge sound range.
FreeTAL-NoiseMaker
Virtual analog synth for basses, leads and plucks. Light on CPU.
FreeSynth1
The legendary free analog-style synth, with thousands of user patches online.
FreeOdin 2
Semi-modular hybrid synth with 24 voices, free and open source.
FreeHelm
Polyphonic subtractive synth from the maker of Vital. Free and open source.
FreeTyrell N6
Six-voice analog-style synth from the makers of Diva.
FreePodolski
Simple, CPU-light virtual analog synth from u-he.
FreeZebralette 3
Free single-oscillator version of u-he Zebra's sound engine.
FreeTriple Cheese
Comb-filter synth with a metallic, plucky character.
More paid synth plugins
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Pigments
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V Collection
Dozens of classic synths and keyboards recreated in software.
Diva
Analog synth emulation known for its rich, warm sound.
Spire FAQ
Is Spire free?
No. Spire is a paid synth plugin from Reveal Sound. Free alternatives in the same lane include Vital, Surge XT and TAL-NoiseMaker.
What is Spire used for?
Polyphonic synth loved for big trance and EDM leads and plucks.
When does Spire go on sale?
Many plugin makers run their biggest discounts around Black Friday (November 27, 2026) and Cyber Monday. Check Reveal Sound's own page for the current price; we list confirmed sales on our Black Friday page.