New Algorithmic Space Reverb, RocketVerb, Free Through August 22, 2026


RocketVerb is an algorithmic reverb effect that transforms the spectral movement, density, damping, and texture extracted from public space audio and astronomical sonifications into 38 internal source profiles. These profiles influence the behavior of the reverb engine while every reverb tail is synthesized in real time.

The plugin includes core reverb controls, a two-dimensional Galaxy Cursor for shaping multiple spatial parameters simultaneously, six creative processing blocks, pattern-based modulation, and an infinite freeze function.

It operates as a standalone application and supports AU, VST3, and AAX formats on macOS, VST3 and AAX on Windows, and VST3 on Linux.

Features:

  • Fully algorithmic reverb engine with real-time synthesized reverb tails
  • Thirty-eight internal source profiles derived from analysis of public space audio, planetary recordings, and astronomical data sonifications
  • Source recordings are analyzed for behavior but are not replayed as samples or impulse responses
  • Five primary controls for Predelay, Density, Length, Size, and Shape
  • Two-dimensional Galaxy Cursor for simultaneous control of distance, early/tail balance, damping, brightness, scatter, motion, and source-profile character
  • Six creative processing blocks
    • Radiation processor for spectral shaping and low-frequency enhancement
    • Orbit processor for stereo movement and modulation
    • Filter processor for shaping the wet signal
    • Granular Cloud processor with 8-step pattern sequencing
    • Comet Trails processor with 8-step pattern sequencing
    • Dust processor for adding source-derived texture
  • Pattern-based motion processors can process either the dry input or the wet reverb signal
  • Infinite Freeze function for sustaining the current reverb atmosphere
  • One hundred forty-four factory presets

RocketVerb is available now as a free download through August 22, 2026 (normally $39 USD.)

Different Instruments Introduces Free Physical Modeling Synthesizer, PartialString, For macOS, Windows + Linux


Different Instruments has introduced PartialString, a physical modeling synthesizer that generates sound by numerically solving the one-dimensional wave equation in real time.

Rather than relying on sampled sounds or traditional virtual analog oscillators, the instrument represents a vibrating string as a series of displacement points and computes the propagation of energy across the string. A virtual pickup measures the string displacement to generate the audio output.

The instrument supports up to 10 voices of polyphony, with the available voice count adapting dynamically according to CPU performance and the simulated string lengths.

Features:

  • Finite-difference time-domain (FDTD) physical modeling synthesis engine
  • Real-time numerical solution of the one-dimensional wave equation
  • Models the vibration of a plucked string as a displacement grid in memory
  • Virtual pickup generates audio by measuring string displacement
  • Supports up to 10-voice polyphony
  • Dynamic voice allocation adjusts polyphony based on available processing power and simulated string length
  • Adjustable excitation position along the string
  • Adjustable excitation shape
  • Velocity-sensitive excitation
  • Pickup position is continuously adjustable
  • Pickup position can be modulated by an LFO
  • Pickup LFO operates up to audio rates for AM-like sidebands
  • Adjustable string decay
  • Dampers can be enabled or disabled
  • Piano-style damper behavior can be enabled so damping occurs when notes are released
  • Long undamped decay supports sustained pad-like sounds
  • Available for macOS, Windows, and Linux

PartialString is available now as a free download, with an optional pay-what-you-want contribution. The instrument is available in Audio Unit and VST3 formats for macOS, VST3 for Windows, and VST3 for Linux.

Voyage Voyage, Free Shimmer Reverb For Linux, Mac & Windows


Voyage Voyage is a free shimmer reverb, created as part of the KVR Developer Challenge 2026.

Its pitch-shifted tails run through a BBD-style delay emulation with dedicated time control, blending ethereal, rising harmonics with the grain and instability of analog bucket-brigade circuits.

But Voyage Voyage doesn’t stop at reverb, though. Push the decay up and it transforms into a true instrument — a parametric, evolving drone and texture generator.

Two controls take you deeper. The Chaos knob introduces modulation, diffusion and resonators, bending your tails into unpredictable, organic territory. The Exciter knob generates signals that re-trigger the reverb’s delay lines, keeping the sound alive indefinitely — no input required.

Summary:

  • classic decay, tone, mix, input, output, low cut and high cut controls, as expected in a reverb plug-in.
  • Shimmer amount & pitch control, with an additional delay time control featuring the BBD chip emulation.
  • innovative Exciter & Chaos parameters, useful when Voyage Voyage is in self-oscillation / resonator mode.
  • additional features such as resizing capabilities, integrated help, extra accessibility functionalities, mix lock control etc.

Audio Demos: