The Hammond B3 organ.
Additive synthesis at its best !
Suitable for Jazz, Rock, Gospel, Blues, Ballad, House, Funk, Cheesy reprise of anything, Ballad, Dance, Pop, Hard Rock, etc.
Some history here : http://theatreorgans.com/grounds/docs/history.html + some facts

1. Vst Plugin Speaker Emulator Simulator Pc
2. Vst Plugin Speaker Emulator Simulator Windows 7
3. Vst Plugin Speaker Emulator Simulator Download

i have selected 7 free drawbar organ VSTi emulations of the Hammond B3.
Let’s groove :

Amplifikation Vermilion Supports various audio plugins: VST, Audio Units, (and now ver. 1.1.0 also supports VST3, and AAX), which are compatible with all kind of Digital Audio Workstation software such as Logic Pro, Ableton Live, Reaper, Nuendo, Cubase, Cakewalk, FL Studio, Propellerhead Reason, Avid Pro Tools, and many more. Free open source vst instruments. Microphone and Speaker Simulations Speakers is a plugin effect designed to emulate a wide range of loudspeakers and microphones using our state-of-the-art convolution engine.

1. AZR3 by Rumpelrausch

Not only free, it’s also open source.
This is a very good drawbar emulation, with onboard FX, nice saturation, and the speaker leslie emulation. Perfect for emulating gospel organ and rock organ. And check the “NHL” preset!

WhiterShadeOfPale
https://blog.wavosaur.com/wp-content/uploads/2014/11/whiter-shade-of-zr3.mp3

As all the other plugins in this list are 32 bit, it could be nice to compile a 64 bit version.
** EDIT** => here is the 64 bit version for Windows : download Azr3 B3 organ VST 64 bit
and the sources

There’s also a MAC version here

2. Organized Trio

Organized Trio VST

Present in the same package as “Mr Ray”, it’s the perfect companion for your funky tracks.
And of course it can do the perc dance organ “ala” Korg M1 :

Gypsy Woman:
https://blog.wavosaur.com/wp-content/uploads/2014/11/Gypsy-Women-Organized-Trio.mp3

3. NubiPlus by fxPointAudio

http://www.fxpointaudio.com/ & download

Nubi Plus VSTi come with a VST FX for adding the Leslie effect : Spinner VST. The two make a super groovy combo, and gives you this nice Hammond B3 organ sound.

She’s just like you and me, but she’s homeless:
https://blog.wavosaur.com/wp-content/uploads/2014/11/Gypsy-Woman-NubiPlus.mp3

4. DirtBag and LightBag by Istvan Kaldor

LightBag II VST

Good old Synthedit creations : the sound is dirty like it should. You get a nasty B3 organ sound in an instant. Leslie speaker effect is included. There are also some nice reed emulation sounds. And some crazy wicked presets in dirtbag too!

Vst Plugin Speaker Emulator Simulator Pc

Whiter shade of Dirtbag :
https://blog.wavosaur.com/wp-content/uploads/2014/11/whiter-shade-of-dirtbag.mp3

5. Euthymia VST by Iliadis

This free organ VST has a clean sound. You can add a Leslie speaker as free external effect : iSpinner VST

6. OddlyOrgan by OdO

Oddly Organ

A little more synthetic, you can go creative with this VST !
You can also find other organ VSTis made by OdO

7. VL122 by AM Music Technology

info & download

Vst Plugin Speaker Emulator Simulator Windows 7

Vst Plugin Speaker Emulator Simulator Download

Discontinued & free drawbar organ : it sounds nice, it’s clean.
You can switch off the motor !
It includes the famous Leslie effect, and also a reverb.
+ a tube/drive effect for more dirty sound.
Cool jazz organ presets.