The good old (and new) Blue Cat Audio freeware audio plug-ins gathered together in a single package!
All plug-ins are entirely free: no dongle, registration or mandatory newsletter, check them out!
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This bundle contains a wide range of premium modulation effects, a guitar amp simulator, a single and dual-channel equalizer, a unique midi-controllable gain suite, as well as a professional spectrum analyzer and a network audio/MIDI receiver tool.
All plug-ins are available for Mac and PC, in VST, VST3, AAX and Audio Unit plug-in formats, and the Freeceiver is also available as a standalone application.
For more information about the 8 products included in this bundle, see the list below.
Blue Cat's Chorus
"The Free Vintage Chorus" -
From a light ensemble to a deep destructive modulation effect, Blue Cat's Chorus can just do anything, for free!
More Details Last updated: 2024/09/09
Blue Cat's Flanger
"The Free Vintage Flanger" -
Very famous during the 70's and 80's, the Flanger effect can be used on almost any audio track: on drums, voices synths or guitars, from a subtle effect to a deep alien-like voice effect, enjoy it!
More Details Last updated: 2024/09/09
Blue Cat's Free Amp
"The free guitar amp simulation plug-in" - Blue Cat's Free Amp is a completely free guitar amp simulation plug-in offering three amp models created with the acclaimed Blue Cat's Destructor amp simulation modeler. More Details Last updated: 2024/09/09
Blue Cat's Freeceiver
Blue Cat's Freeceiver is a free plug-in and application that can receive audio or MIDI streams sent over the network by Blue Cat's Connector and Fader Hub in real time. More Details Last updated: 2025/05/25
Blue Cat's FreqAnalyst
"What you cannot hear, Blue Cat's FreqAnalyst shows it to you, for free!" - Blue Cat's FreqAnalyst is a free spectrum analyzer plug-in that lets you monitor the spectral content of your audio signal in real time. More Details Last updated: 2024/09/09
Blue Cat's Gain Suite
This plug-in suite is a series of gain utilities which let you control the volume of one or several audio tracks simultaneously, in real time. More Details Last updated: 2024/09/09
Blue Cat's Phaser
"The Free Vintage Phaser" -
Modeled after vintage analog phaser circuits, Blue Cat's Phaser reproduces this old vintage phasing effect that you can find on so many recordings, but with the precision of modern digital processing techniques. More Details Last updated: 2024/09/09
Blue Cat's Triple EQ
"The easy and free shapeable filter" -
Blue Cat's Triple EQ is a free 3 bands semi-parametric equalizer that can be controlled like a single filter, with a customizable shape. More Details Last updated: 2024/09/09
User Comments & Reviews
Blue Cat Audio's free plugins have had a staple presence in my arsenal since the first time I came across them. Free or not, these plugins maintain a distinct flavour that makes them my absolute go-to plugins when the situation calls for it.
This group of plugins has the added bonus of full automation and MIDI interfacing, and a standardized configuration template that easily melds them into any DAW configuration. They couldn't be easier to use at any experience level, allow very fine incremental adjustments, and are thoroughly optimized for resource consumption.
-Don't be fooled by the price; there's a lot to like in the free bundle. At the top of the list are three great-sounding time-based effects: chorus, phaser, and flanger.[...] Each of these effects is capable of subtle as well as extreme processing (see Web Clips 1 and 2). [...] Of course, the purpose of giving away these plug-ins is to encourage you to buy their more full-featured brethren. But each plug-in is useful, and the frequency analyzer is exceptional. Furthermore, they all come with PDF manuals, onscreen help, basic presets, and multiple skins.
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"I love these plugins! At the moment, I have all the free plugins - I can't believe again how many you give away free"
- Absent Professor, Producer.