01
Emergence (free version)
by Daniel Gergely · Real-time granular effect
Real-time granular effect with multiple grain streams and visual feedback. The free version has fewer features than the paid one.
VST3AUmacOSWindows
Output Portal · OutputFree alternatives to Output Portal
A granular FX plugin that turns any sound into shimmering, glitchy, evolving textures with big preset-driven moves. Here are 3 genuinely free options, ranked by how close they get.
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02
Fracture
by Glitchmachines · Buffer / glitch effect
Buffer-effect glitch machine for robotic stutters and artifacts. Rougher and less polished than Portal, but very characterful.
VST3AUmacOSWindowsNeeds free checkout on the Glitchmachines store
03
Hysteresis
by Glitchmachines · Glitch delay with stutter
Glitch delay with stutter and modulation. Good for the rhythmic side of Portal; no true granular engine.
VST3AUmacOSWindowsNeeds free checkout on the Glitchmachines store
Free means free: no trials, no time limits, no demos. Some need a free account; we flag those. Spot something wrong or a better swap? Tell us.
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