Free Audio Plugins VST, AU, RTAS

OrilRiver

OrilRiver is a free reverb VST, VST3 plugin developed by Denis Tihanov. Compatible OS(s): Windows 64b, macOS.

OrilRiver is a free algorithmic stereo reverb that can rival the quality of commercial reverbs. With this plugin it is possible to simulate the reverberation of a small room and great hall. OrilRiver has an intuitive interface thanks to which the user can quickly adjust the desired reverb sound.

Features OrilRiver:

12 variations of the early reflections.

5 variations of the reverb tail.

3-band equalizer for the wet signal, which helps to create different shades of the virtual space.

Internal signal processing: 64-bit floating point.

Sample Rate: from 44100 to 192000 Hz.

Two graphical interfaces.

OrilRiver 2.0.3.0 Beta Changes:
+ Increased the degree of influence of the controller “Diffusion”.
+ Excluded the silence flag in VST3 version for more comfortably listening in real time mode for Cubase/Nuendo users.
+ Changed GUI for better its work.
+ Changed some factory presets using a low-pass filter.

https://www.kvraudio.com/developer/denis-tihanov

OneKnobReverb

OneKnobReverb is a free reverb VST plugin developed by musicXart studio. Compatible OS(s): Windows.

OneKnobReverb is an easy-to-use room reverb:

Suitable for both mixing and mastering.

Single knob control for room size.

Dry/wet control.

It recreates a natural room suitable for any type of source during mixing.

A little touch of OneKnobReverb on an entire mix can blend together the instruments.

http://www.musicxart.co.uk/

OneKnobExciter

OneKnobExciter is a free exciter and enhancer VST plugin developed by musicXart studio. Compatible OS(s): Windows.

OneKnobExciter is an easy-to-use exciter with saturation control:

Suitable for both mixing and mastering.

Single knob control for the exciter.

A little touch of OneKnobExciter can save a dull and lifeless mix or improve clarity to single instruments.

http://www.musicxart.co.uk/

OneKnobCompressor

OneKnobCompressor is a free compressor VST plugin developed by musicXart studio. Compatible OS(s): Windows.

OneKnobCompressor is an easy-to-use compressor with saturation control:

Suitable for both mixing and mastering.

One knob style control for the compression.

Smooth sound with character.

Uses a parallel compression technique – as a result there is an increase in volume and compression without any “breathing” or “pumping” effect.

http://www.musicxart.co.uk/

OldSkoolVerb

OldSkoolVerb is a free reverb VST, VST3, Audio Unit, AAX plugin developed by Voxengo. Compatible OS(s): Windows 64b, macOS.

OldSkoolVerb is a freeware algorithmic reverberation AU and VST plug-in for professional music production applications. This plug-in implements a kind of “classic” stereo reverb algorithm which is technically simple yet optimal. It also produces a very clear spatial image that blends well with the mix.

OldSkoolVerb offers you a comprehensive set of parameters permitting you to achieve various reverbs ranging from plate to hall reverb sound. OldSkoolVerb is best suited for non-percussive and soft-attack sounds like vocals, piano and pad sounds.

https://www.voxengo.com/

ODelay

ODelay is a free delay and echo VST plugin developed by Osiris. Compatible OS(s): Windows.

ODelay is a delay with a modulating auto-filter.

https://sites.google.com/site/osirissynths/

Odaku Effect

Odaku Effect is a free overdrive VST plugin developed by Apari. Compatible OS(s): Windows.

The Apari Odaku Effect is a Lo-fi/Distortion plug-in intended to be applied to drums to give them a “dirty hip-hop drum” sound. The samples are crushed and filtered creating a warm, dirty sound.

NOTE: This plug-in does not have any controls controls.

http://www4.webng.com/aparivst/archive.shtml

OctoScratcher

OctoScratcher is a free pitch shifter and time stretcher VST plugin developed by Acousmodules. Compatible OS(s): Windows.

Octophonic gestual (?) pitch and speed variation from four audio files or by grabbing the audio input in realtime.

http://acousmodules.free.fr/

OctoEcho

OctoEcho is a free delay and echo and stereo imaging VST plugin developed by DarkWare. Compatible OS(s): Windows.

OctoEcho is an array of eight delay units, four for the left stereo channel, and four for the right.

Features:

Eight delay units, four for the left stereo channel, and four for the right.

Each delay unit has its own specific modulation and feedback knobs for individual tweaking.

Vector interface to control the modulation and feedback settings for each delay unit globally and simultaneously. Ideal for live tweaking and “luck of the draw” tunings.

Toggles for other nifty things, such as “Spacial-Reverb” and dynamic headroom clipping.

16 presets all specifically designed to be immediately useful.

http://www.jackdark.net/

OctaveDown

OctaveDown is a free pitch shifter VST plugin developed by PhonicsAudio. Compatible OS(s): Windows.

OctaveDown is a 32-bit VST effect for pitching audio down an octave.

Prior to this I have released 2 pitch shifters, but with this one, I have built it as low level as possible in Synthmaker. I have run out of time to make it pitch to whatever desired, but one app which I am looking at is playing bass on a regular guitar.

It is a really minimal design, what possibly makes it novel is that it cuts on zero crossings, there is no envelope on the grain’s attack, it cuts straight in.

Also it is only 1 sample delay, as the RAM location is written and read at the same time, there is no swapping buffers.

Hope you find a use for it, it can only get better.

I was trying to set the release to be minimal, but had problems with my delay lines causing clicks.

Cheers, Nick

http://www.phonicsaudio.com/