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 MuLab by MUTOOLS is an Audio Plugin Host. It can host VST Plugins. It supports ReWire.
Product MuLab
Developer MUTOOLS
Price (MSRP)
Free / €69
Type / Tags
Plug-in, App & Soundware Format(s)
Can Host
Can Host
ReWire Mixer Application
UtilityStand-alone utility / application
Operating System Availability
Download Released
Downloads Released
Downloads Released
System Requirements
MacOS 10.6.8 and up.
Supported Sample Formats (loads or saves) include
Miscellaneous Information
Copy ProtectionSerial Number

MuLab is an inspiring music production studio for Mac OS X and Windows featuring an integrated top-quality modular synth and effect engine.

MuLab is an easy, effective and rock-solid tool designed to create, record, edit and finalize your music.

Detailed product info on mutools.com/mulab-product.html

Latest User Reviews Average user rating of 4.86 from 7 reviews

Reviewed By Ramlee
November 7, 2017

In the world of free sequencer/DAW platforms, there are many contenders and just as many pretenders. MULAB stands out as a platform that delivers and then some. Exceptionally light on system resources and yet lacking nothing in terms of essential functionality, MULAB has become my new best friend; well....new best composition platform. Believe me when I say, "I tried them all..". LMMS looked promising but baffled me with its less than intuitive external keyboard routing which seemed to trigger all channels simultaneously; even after assigning separate MIDI channels to every track! Sequitur was equally alluring with its sexy interface and stripped down simplicity but again external keyboard frustration seemed built into the system. MULAB just worked straight away and the learning curve was refreshingly quick...everything made sense. Moreover, MULAB shipped with a bunch of synths and effects that weren't Casio rejects; no...there was real quality and depth to the instruments - the Hammond B3 was simply gorgeous. Suffice to say that if MULAB doesn't get your juices flowing then nothing in the GPL DAW menagerie will do it for you. The best free composition platform currently available and did I mention that it can be installed on a thumb drive so you can jack your studio into any available hardware...brilliant. (9 out of 10 only because I anticipate that it's just gonna get better)

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Reviewed By Protocol_b
November 7, 2017

Absolutely top notch - specifically for MIDI management. Route anything to anything. I've tried every live host on Mac out there that I can find - they ALL had issues. I am heavily into arpeggiators & step seq's. NORA and NUMEROLOGY both have complex GUI's involving tabs and resizeable pages. I did not find a single live host that could successfully present those to me until I tried MULAB (except MainStage - but MIDI routing virtually non-existent). Like they say, everything just works, no surprises except happy amazement. Completely intuituitive - you can go a long ways before you need to crack a manual. AND it comes with MIDI tools that are essential for complex routing, such as a MIDI monitor. With Ableton they won't even give you that until you buy the most expensive edition - they sell you a carpentry kit and then withhold the hammer. And speaking of step-seq's, the one in MULAB is a monster.

This dev has mad coding skills and deep insight on what is necessary, what should be simple, and how to make it rock solid. Making it available as a VST on MAC changes Everything - MULAB inside LIVE is better than sex. OK, well, better than coffee.

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Reviewed By jelboss36s
December 20, 2015

Absolutely the best DAW I have ever used. It is user frendly, Modular/MIDI, and so far to date not one singe bug, flaw, crash, or problem of any kind. And what can I say..? it has unlimited undu & redu =)

What is the bottom line in audio? "That sound". Many DAWS, amps, amd audio gear work the same, but if you play guitar and want "that sound", you get a Marshall. This DAW has "that sound".

I have tried just about all the workstations out there, and in my opinion Mulab is hands down the best digital AUDIO WORKSTATION/AUDIO PRODUCTION software on the market today.

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Reviewed By Michael L
April 13, 2015

In my experience, MuLab helps me stay focused on my musical ideas and keep in the flow. It is a DAW that responds quickly to ideas, like an instrument. For example, it takes only one second (true!) to click the MuLab program and begin making music using the pre-loaded Basic Synth. You can instantly sketch it out your idea, and then jump down the rabbit hole to do almost anything.

Today, I loaded one of my recorded samples, then picked the best LFOs to modulate its pitch and filter to bring it to life. I wanted to add echo but modulate 'only' the echo, with complex sine waves stacked in fifths, pitched down an octave, etc.... To do that, I just dragged an empty 'mux' module to one slot in a rack, connected the MuEcho to the Ring Mod Synth that contains an oscillator module with the above wave parameters, and mixed them with the Audio Balancer. This took only a minute to set up and I stay in the flowww.....

MuLab is full of Devices (subtractive, sample, granular, wavetable and drum synths, reverb and echo), with many instrument and effect Modules that you can easily modify, build and link. All the modules use the same design logic, so you can take a musical idea and make it happen quickly without losing track of your main idea. The user community (MuTools Forum) regularly designs and shares new synthesiser and effect modules, the most recent being a Triple Filter Trance Gate, and a Multi-Form (dual-oscillator/ wavetable/ granular/ sample) Synth. And the sound is very clear-- hugely important.

I switched to MuLab one year ago due to its great workflow and open design that doesn't constrain me to one way of working. MuLab includes entire demo projects in different musical styles that you can take apart to learn how others use MuLab. I found this a very useful way to learn! I use the OS X version, and it's quite stable as a program and as a VST host.

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Reviewed By mgiambro
February 1, 2015

If you're looking for a DAW which is light, intuitive and powerful you should definitely give MuLab a try. I've used many different DAWS over the years and have found the problem with a lot of them is that they are bloated with cluttered interfaces, which for me makes them cumbersome to use. As someone who creates electronic music with the focus on MIDI work and sound design using vsts I wanted a DAW with good MIDI and piano roll, is light on CPU, provides a nice smooth workflow but is capable of complex sound processing, routing and automation tasks. Of the products I demoed, MuLab instantly stood out. The interface looks simple, but this is deceptive, but a deliberate feature of the application. If you require complexity, it's available in the form of the MUX engine which underlies the application, but is not in your face and a distraction. The MUX is similar to, but more flexible than Reasons Combinator. In the MUX you can combine MuLabs own modules, but also third party vsts. For example, I have a MUX which combines a multi-out Microtonic drum VST and MuLabs own MuDrum for sample playback, effectively creating my own custom drum machine and achieving the same result as a drum map would in Cubase or Sonar, but more user-friendly. You can also create your own synths and effects with the MUX. The possibilities are limitless. The MUX is also available as a VST plugin if you already have a DAW. Of course MuLab comes with it's own set of synths, samplers and effects also. Other features I like are the dockable windows, drag and drop and nice touches like the ability to clear out unused audio files within the projects audio directory from within the daw. MuLab also has something called the 'Sequence Pool'. The idea behind this is that you can have two MuLab sessions open and use one as a kind of scratchpad for ideas. Clips created there are stored as sequences which are available in the other session in which you can build the track. A very nice touch and more evidence some serious thought has gone into this product. I've noticed that sound quality of daws differs. MuLabs is as good as any I have heard. Also, the interface is nice and responsive and not laggy, like some I have tried.

From using it for a few months now, if I've found a limitation, and it's only a minor gripe, it's that the effects don't have graphical visual feedback which can be useful for mixing/mastering. However, the obvious solution to this is to use third party plugins and there are plenty of good free ones if you don't have them already.

For the €69.00 for the full version, it's an absolute bargain. In terms of value, I'd compare it to Reaper, but where Reaper is more targeted at working with audio, MuLab is great for MIDI work and sound design, making it a great fit for what I was looking for. When it comes to software, I have learned that the higher the cost does not mean that the quality of the product will be better and the likes of MuLab/Reaper are testament to this.

Finally, I have to mention the support MuTools provides is second to none. Jo, the man behind MuTools is always on the Kvr MuTools forum and eager to help and answer questions.

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Discussion: Active




3 October 2014 at 2:10pm

It's a question to ask not here but on the Mulab forums, there:


1 February 2015 at 9:42pm

A formidable DAW I agree.

I own most of them but I use MuLab all the time.

Modularity: what Live is achieving with M4L and Bitwig "will try" with v2 has been in MuLab for years! Way ahead in the Modular-DAW world race.

4 January 2017 at 5:56pm

I have a problem: every time that i export the composition as an audio file the file that i find in the folder has some interferences or it flickers about every 30 seconds, plz help me.

4 January 2017 at 8:15pm

"...every 30 seconds..."

A little birdie tells me that you haven't entered your serial code, have you ?


24 January 2017 at 3:40pm

A really nice program made even more impressive by a small development team.

5 March 2018 at 8:05pm

A beautiful idea that seems to work for some people. I wish to use MuLab but It appears to me to be missing some crucial features. The documentation is very poor not to mention incomplete. I have yet to find a review from a known site such as sonic state. I am unable to sync this software to anything and unable to get support. J'apprécie les clowns au cirque que je les renvois dans l'entreprise.

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Average user rating of 4.86 from 7 reviews

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