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Disclaimer:

As the FlowStone export of the synth is free... Charging money for Saguaro.one or bundling it with other software and selling it without permission is not permitted. Modifying Saguaro.one or any part of it's code without permission from it's creator is also not allowed.


Compressed files


Saguaro v0.51 - 32/64 bit VST plugin:
VST 3 versions (ZIP file)
VST 2 versions (ZIP file)


Saguaro v0.51 - 32/64 bit Standalone:

Executable .EXE program (ZIP file)

Don't forget to download the required Microsoft Visual C++ Redistributable Package for Visual Studio 2013. You can find it here


Update history



May 2024 update (v0.51)


  • Overall fixes

    - Hopefully the synth works at 96khz or atleast better than before at higher samplerates...
    - Attempt at reducing CPU usage by schematic reduction. Since CPU usage has been slowly increasing over the last few updates, mostly due to added features


  • Filters

    - Filter Cutoff, Resonance and Feedback mappings/limitations/reductions have been changed. More resonance allowed on some filters and when in series. Caution: Increased resonance means output can get loud and also clips easier.

    - Some new Low Shelf, High Shelf and Band Shelf filter variants added, using lowpass + bandpass + highpass outputs from single ZDF's. Giving crude resonant subtractive shelving filters... sort of. Might be useful as simple EQ's for shaping sound.
    - All multi ZDF filters are now also quieter at fully open/closed. No change to the filters, just a reduction of output, near Cutoff- and- Sweep-knob end values


  • Osc Modules

    - Additional filtering added or existing adjusted in all of the synths Osc Modules. Resulting in an alterned sound of the synth, but mostly when using Feedback or Distortion and at higher notes.
    - "Pitch n Sync" and "Pitch n Sync Duo" adjusted and now retain Fundamental Saw's shape (S1 and S2) more than before at high notes. But does instead allow for more aliasing by the syncing. Both Osc Modules should now be a bit more resilient against steep modulation (of frequencies). Option-dropdown added with possibility for a fixed sync sound.


  • Aux Oscillator

    - Saw has been fixed to work better at higher notes.
    - Sine and Triangle have been modified to retain S1 and S2 knob shaping at higher frequencies. But does allow for more aliasing.
    -  "Noise Mix" and "Noise Velvet" now include a S2 knob to mix between 2 tracking-filtered outputs  and a passthrough: Low Pass <--> Passthrough <--> Bypass


  • Modulations

    - Any "Detune" modulation is now sent to individual detuners, separate from detuners connected to the knobs.
    - Any filter "Sweep" modulation now goes directly into filter. Circumventing the Sweep-knobs exponential mapping. Gives a modulation outcome closer to the source waveform.

  • Distortion
    - Gain Bias added. Giving dropdown options for asymmetrical clip by adding or removing DC offset to the distortion input.
    - Distortion filtering adjusted and there is now the option of adjusting the distortions "pre-distortion crossover" frequency under the "About" screen and "Non Automatable Trimpots" menu.
    - There will probably be future changes done regarding distortion...

  • GUI
    - Various adjustments and additions to the interface

  • Other Changes

    - P3 and P3C now individually controllable by Assignable C1,C2 and C3. Most Osc Modules with P3C have a hidden P3-knob input and P3 was "previously" only available to modulation sources.
    - Hold "CTRL key" enabled for most of the synths knobs. Holding down "CTRL key" snaps to visual markers, but not on all knobs. Can differ from knob to knob.
    - Hold "ALT key" enabled. Holding down "ALT key" enables coarse adjustment of knobs, opposite of "SHIFT key" for fine adjustment.
    - "Detune" knobs now support S&H mode (Sample & Hold). This might allow better overall versatility for Detune since individual incoming notes can get static detunes using some pre-note DAW-automation to the detune knob... when it's in S&H mode.
    - Pitch 2 Pan "Center" and "Spread" knobs now supports S&H mode (Sample & Hold).
    - BPM Host Override changed to a fineness of 1/100 bpm and override now starts at 0.01 bpm.
    - "F1 and F2 Level Gain" adjustments under the "About" screen and "Non Automatable Trimpots" menu has been changed and now allows for +6dB (0-4x level).
    - Various internal changes, for example of "Pitch 2 Pan". Also other micro optimizations and/or adjustments...

October 2022 (v0.1) - December 2023 (v0.50)