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

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

Leslie Rotary Speaker sound effect I wonder did some one try to use Hammond Leslie Rotary speaker VST effect? I have traied many except for Native B3/4 Organ I cound not find proper plug in.Yes I also tried Rapture but somewhere that Leslie effect is missing. Posted: November 10, 2012 Author: M@ Filed under: VST Zone Tags: 4 Band Shifter, free guitar plugins, free guitar vst, free plugins, free vst, guitar plugins, leslie vst, pitch shifter vst, rotary speaker vst, Stomp King SK-6 Ro-Tube 6 Comments. I am always on the lookout for cool free plugins.

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

1850 Pipe Organ Free. Pipe organ from the 1850s recorded in Arta’s church (Mallorca). All ranks opened, which gives the characteristic sound of this type of organs. This is a classic recreation of the pipe organ in a plugin form. This is fully compatible with any other EZkeys libraries and the samples of this pipe organ were taken from a pipe organ in a church from the 13’th century. This is where this VST truly excels. You have 8 different effect chains, which are as followed. VST 4 FREE - Free Audio Plug-ins and Archives Church Organ 2nd is a free Pipe organ plugin developed by C Hackl Instruments Effects MIDI Hosts. Pipe organ vst free. Free VSTi made by Jason Morin with the Maize Sampler. Contains samples from the Supertone reed organ that is part of my Reed Organs sample self recorded it with 2 different microphones including a shotgun mic, the samples in the VSTi are those recorded with the regular mic. Garritan’s Classsic Pipe Organs sound library offers a collection of 6 historic pipe organs with 75 different stop configurations. Hosted on the high-performance ARIA player, you are able to manipulate the set of mixing options to combine up to 16 stop configurations from different organs and create some huge hybrid instrument sounds.

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!

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

Clap vst free. Clap Machine is based on a collection of natural hand clapsamples. The purpose of Clap Machine is to provide a quick and easy way to add natural sounding claps to your music. The plugin can be used to easily create rhythmic sequences, as well as natural sounding group claps (aka “gang” claps) by playing multiple notes at the same time.

Free Leslie Speaker Vst Download

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

Free Leslie Speaker Vst Plugins

7. VL122 by AM Music Technology

Free Leslie Speaker Vst Amp

info & download

Free Leslie Speaker Vst

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.