This post is being updated from time to time.
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1.Audio Finder
Built 100% for Mac OS X using CoreAudio, AudioFinder is PPC and Intel Native.
Find your files quickly. Faster browser than logic, find quicker than ableton browser.
Integrated Sample Tool trim/loop/fade editor with beat slicer.Cost $69.95.
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2.Xfer Records LFO Tool
LFOTool is an FX utility plug-in for VST and AudioUnit hosts for both Macintosh OS X® and Windows®. It empowers music producers to create tremolo, auto-pan, trance-gate, side-chain compressor simulation, and dubstep-type wobble effects with minimal effort. No brainer - get if for only $24.95.
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3.BazzISM
Produces the perfect KickBass tracks. For Mac & PC.Price 25€ or 30€.
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4.Synleor Harmony Improvisator
Harmony Improvisator is a programmable chorder and sequencer VST plugin which outputs chords as MIDI data or sound from an internal synthesizer. It can be controlled via MIDI input or by clicking the harmonic functions of the graphical user interface.Windows and Intel MAC.Price 99 € (120 US-$ + sales tax)
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5.Kirnu MIDI Arpeggiator
For Win and Mac.Free.
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6.Catanya
Pattern Arpeggiator (vst) for windows only.Price €45.
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7.Numerology3
Numerology is a modular music sequencing and audio plugin environment for Mac OS X only.Price 84£/129£ /129$,199$.
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8.LiveSlice
This beat slicer can do much more than just slice your beats and export the results. You can load up to 64 wave files at a time, slice them up and combine the slices in the multitrack arranger.With support for wav, aif, REX, mp3 and ACIDized wav files, as well as fast drag’n’drop import of multiple files, you can easily access your entire collection of loops. Even one shot samples can be dragged to a loop slot, so you can do some quick single hit replacements.Price 49.95 euro.For Windows ,OSX version (currently in beta).
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9.Ozone4
Mastering suite.For Win and Mac.Price $249.
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10.T-RackS 3
Mastering/Mixing suite.$499.99/€379.99 or crossgrade savings.
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11.Vengeance Producer Suite: Metrum Kick Synthesizer
A kick is like a person’s first impression: it can elevate your track to a highly tempting tune. However, designing the perfect kick requires quite some skills - which is why Vengeance Sound assembled all their experience in this little, powerful tool: the Metrum kick synthesizer. Full control over the top, middle and bottom part of a kick including the final, perfect compression and so much more delivers all your needs to your fingertips.Kick it! Price 149 € | 135 £ | 199 $
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12.Sugar Bytes WOW
Filter Box.Price: 79€ / 99$ for mac and pc.
They also make Effectrix Effect Sequencer which is very cool.
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13.Ohmicide: Melohman
Killer distortion effect plug-in.Price 79EUR /116$
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14.CronoX
CronoX mixes up your samples in realtime like no other instrument. If you start with a kick sample you may end up with getting a fascinating pad from it, and you should not be astonished to get some punchy drums just from your vocal samples. Its CronoX, samples are only food for its versatile and unique engines.For windows and mac.
Price 149 US$ / 129 Euro.
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15.Transient Shaper
Transient Shaper allows shaping the dynamics with 2 knobs only, making it uniquely easy and fast to use - yet its sonic manipulation scape ranges from gate-like to compressor-like.For pc and mac.Price EUR49 /USD77.
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16.Basslane
Low Freq Stereo to Mono Control.Basslane is the original freeware classic used in countless productions to control the stereo field of lower frequencies on tracks and mixes. It’s a simple, yet very handy little utility that allows you to narrow the width of the frequencies below a defined threshold. The easy-to-use interface features a range of monitoring options allowing precise finetuning while auditioning the processing at different stages. Free vst for Windows.Used by Airbase dj.
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17.Genobazz
Genobazz is a free monophonic bass synthesizer plug-in, designed to be simple to use, for all your bass need, from simple bass to acid bassline.For Windows only.Free.
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18.SideKick4
Creating a side-chaining effect in most VST sequencers can be quite a hassle or is not even possible. The purpose of SideKick4 is to make this process possible and a lot easier. You will be able to make a stereo side-chaining setup just by loading two instances of the VST plugin on 2 stereo tracks in your VST host, and linking them together by selecting one of the thirty-two build-in virtual buses. Windows only.
Price (14,99€ / 20.99$ / 12.99£).
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19.SampleRobot
SampleRobot is the unique audio sampling software solution for musicians and sound designers. For the first time it is possible to very easily clone real musical instruments automatically. So you can transfer your musical instruments very easily to the digital domain and then play them with any available software sampler.
Exports VSTi to WAV and SFZ formats by discoDSP HighLife 1.4
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20.Mixed In Key
Mixed In Key is easy to use. Just add your MP3 and WAV files, and it will show you which songs you can mix in harmony.
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21.Spectrasonics Trilian
Trilian is the total solution for Bass.
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22.Crystalizer & Echo Boy
SoundToys plugins also offer other plugins.
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23.BBE D82 Sonic Maximizer
The BBE D82 Sonic Maximizer software plug-in reproduces original program material with the subtlety, nuance and presence of a live performance.
(bright sound you hear on the radio)
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24. Kontakt player libraries & instruments.
[url=http://www.soniccouture.com/]http://www.soniccouture.com/[/url]
[url=http://www.soulviasound.com/]http://www.soulviasound.com/[/url]
[url=http://www.teamdnr.net/]http://www.teamdnr.net/[/url]
[url=http://soundsoutsidethelines.com/projects/revolution-909]Loading...
[url=http://www.original-music.co.uk/guitar-kit-v2.php]http://www.original-music.co.uk/guitar-kit-v2.php[/url]
[url=http://www.soundrefinery.com/Sound_Refinery/Sound_Refinery.html]http://www.soundrefinery.com/Sound_Refinery/Sound_Refinery.html[/url]
[url=http://www.hollowsun.com/HS2/sli/shangrila/index.htm]http://www.hollowsun.com/HS2/sli/shangrila/index.htm[/url]
[url=http://www.sasha-soundlab.com/features.php]http://www.sasha-soundlab.com/features.php[/url]
[url=http://www.binarymusic.co.uk/valve4op.html]http://www.binarymusic.co.uk/valve4op.html[/url]
[url=http://www.loopmasters.com/product/details/1022/Grid_Machine_Slice_-_House_Percussion/#a_aid=4b0569ad02d7e]http://www.loopmasters.com/product/details/1022/Grid_Machine_Slice_-_House_Percussion/#a_aid=4b0569ad02d7e[/url]
[url=http://www.rhythmicrobot.com/page0/page14/page26/index.html]http://www.rhythmicrobot.com/page0/page14/page26/index.html[/url]
[url=http://www.citron-instruments.com/aqua.html]http://www.citron-instruments.com/aqua.html[/url]
[url=http://www.synthmagic.co.uk/Polychrome.htm]http://www.synthmagic.co.uk/Polychrome.htm[/url]
[url=http://www.hollowsun.com/]http://www.hollowsun.com/[/url]
[url=http://cinesamples.com/]Cinesamples
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25.Chris Lord-Alge - CLA Vocals
The only plugin you will ever need for vocals from waves.Also Waves Vocal Rider.
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26.Renaissance Bass -Waves
Tightening up your bass has never been easier.
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27.TapeHead Saturator -Massey Plugins
Add a little saturation to your mix. Make your drums fuller & louder. Add some grit to vocals.
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28.schOPE by stillwellaudio
schOPE! A multitool, multiview, multichannel waveform, frequency, and stereo phase analyzer that lets you superimpose and view multiple audio signals from every dimension.Scope pre- and post-compression signals together to see if you’re flattening peaks. Scope kick drum and bass together for EQ scooping. Scope DI and amped guitar signals together to fix phase problems.Cost $25.
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29.AcquaVox
A Powered by Nebula product, AcquaVox is a simple to use - yet world class – emulation of a classic, highly revered preamp. Perfect for adding warmth to recorded instruments like guitars and drums, and for imparting analog feel to vocal tracks.
Best of all, AcquaVox is a FREE product! For mac and pc. Free. Check nebula plugins bundles.
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30.Fab Filter Volcano
FabFilter Volcano 2 is a versatile filter effect plug-in with state-of-the-art filter technology and endless modulation possibilities.
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31.Sonalksis TBK Creative Filter
The Sonalksis TBK Creative Filter is the world’s first ‘Adaptive Resonance’ filter - an entirely new generation of filter that automatically adapts resonance and saturation characteristics according to a psychoacoustic model. It can be used for slow, gentle sweeps; massive screaming distorted sounds, and just about everything in between. Ultimately though, the TBK is simply about creativity.For mac and pc.Cost 99$.
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32.Antares Auto-Tune 7
Pitch and time correction.
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33.PSP N2O
A semi-modular multi-effect plug-in which offers unparalleled flexibility and total sound creation freedom!
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34.Audio Damage Tattoo
Drum/synth/sequencer.
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35.SFX Machine Pro
Multi FX plugin.
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36.SonEQ by Sonimus
SonEQ is a digital equalizer that takes parts from some vintage gear and combine them in one. SonEQ has 3 bands, bass, middle and treble. Also, SonEQ has a pre-amp section.FREE.Mac/PC.
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37.DSP-Quattro 3
Plugin Hosting,Audio Editing,Audio Mastering.Price 75 euro / 99 US$. Mac Only.
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38.OrangeVocoder
This is THE classic OrangeVocoder effect used on popular tracks played on every radio station in the country. Its unmistakeable sound that you won’t find anywhere else has made it Prosoniq’s top selling product for over ten years.Price 169euro/240$.Mac.Check also free NorthPole filter plugin.
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39.Bidule
The brainchild of Plogue Art et Technologie is a cross-platform application that is gaining recognition world-wide as the new standard in modular music software.
Run Vst on Mac.
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40.SpectrumWorx
the ultimate sound mangler – a very special kind of audio effect you probably haven’t experienced before!
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41.Sonic Charge µTonic
VST / AU plug-in for Windows and Mac featuring a unique drum and percussion synthesizer combined with a pattern based drum-machine engine.
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42.PHOSCYON by D16
Phoscyon is a vintage analog modeled Bassline synthesizer with a unique low pass filter with an 18db/oct dumping and constant resonance amplitude throughout the entire frequency domain.
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43.AudioRealism Bass Line 2 (ABL2)
303 bassline emulator with built in sequencer
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44.Tau Bassline MkII
A monophonic bass line synthesiser with a single digitally modelled analogue oscillator, filter and decay envelope. Despite the basic architecture a wide range of synthetic bass tones can be created and tweaked in real-time, ideal for the acid and techno purist.
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45.SilverBox
SilverBox is an authentic digital emulation of the world’s most renowned and famous analog bass 303 line machine.For Win,vst.
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46.SampleTank by IK Multimedia
The ultimate sample workstation.Free/Paid versions available.
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47.ifoundasound
Ifoundasound is a solutions for working with digital sound archives.
Search through your archive, listen to the sounds and drag them in to your favourite audio application.
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48.CamelPhat - by Camel Audio.
CamelPhat is a powerful ‘colouring’ multi-effect that works wonders on guitar, bass and drums, adding warmth, punch and presence.
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49.Petri by Sineqube
Generative sample player & drum machine for Mac.
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50.RealBeat
It’s a sampler software that enables you to record sounds, cut and loop them and create rhythms out of them.Mac only.
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51.Nostalgia from zero-g
Nostalgia is a Sound Library plugin based on Native Instruments’ Kompakt, featuring over 1.3 gigabytes of sounds and more than 1,300 patches from four decades of electronic instruments.
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52.AraldFX DKS Pro
Drum machine.Review.
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53.Acidlab
Acidlab is a recreation of the classic acid sound TB303 ,but with the addtion of a few extras. Key additions include a track Knob, high and low pass filter, and on-board distoration.Available as vst for windows,freeware.
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54.Sonnox Fraunhofer Pro-Codec
The Sonnox Fraunhofer Pro-Codec Plug-In is designed for the real-time auditioning, encoding and decoding of audio signals using Fraunhofer codecs.In the past it has not been possible to critically audition and then encode multiple formats in real time within a host DAW environment.
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55.GFunk
GFunk creates 90’s Westcoast hiphop style lead lines.Cost $15.
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56.Erratic2 by delamancha
erratic 2 is a drum sample player with many randomising and velocity sensitive options to make any drum pattern sound different on each loop.For Windows,Vst.
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57.Freakoscope
Fre(a)koscope is an FFT-based real-time spectrum analyzer featuring: lin/log/semitones/third-octave/Bark scales.For Win and Mac.
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58.GTR3
Distortion and guitar amps plugins.
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59.Uvi workstation sampler.
Free.
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60.apQualizr
High precision equalizer/analyzer.
Mac /PC.Cost 49euro.
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61.Stutter Edit
Stutter Gestures combine real-time sampling and audio chopping with a range of versatile color effects. Run vst,au,rtas.
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62.Sugar Bytes Turnado
multi-effect plugin for real-time audio manipulation.
Turnado Full Version ,Price: 139€ / 179$
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63.Black Magic Loop Generator.
is a unique loop workstation with the ability to generate diverse loops with a single mouse click. Furthermore a loop can instantly be recorded out to WAV, automatically named by BPM and timestamp. The idea developed to make sample based loops an easy and fun process, as loop creation is generally a time consuming process.
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64.Ugo Audio Rez synth.
Free vst.
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65.SPL Transient Designer
This Analog Code® plug-in is based upon the original analog Transient Designer from SPL which established the revolutionary concept for level-independent dynamic processing.Only two controls allow to completely reshape the attack and sustain characteristics of a sound: Attack can be amplified or attenuated by up to 15dB while sustain can be amplified or attenuated by up to 24 dB.Buy here.
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66.The Transient Former - TDESIGN
The idea behind the Transient Former TDESIGN is to give the user direct control over the attack and sustain characteristics of natural sounds, and though this sounds less than revolutionary, you only have to play with the unit for a few minutes to realise that the Transient Former is a very powerful creative tool.
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67.ARPG8R is a MIDI arpeggiator.. Price ¥1,100 JPY (≒ $ 11 USD).Mac and PC.
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68.Dancida VSTi
Dancida is a vintage based synth with the new sounds of todays dance music.
Dancida comes packed with new sounds that resemble classic analog sounds. A true inspirational synth for your collection. Dancida includes 128 presets that are sure to start your tracks off aswell as being fully editable.VST PC only.
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69.Pitchwheel
Real-time pitch and timbre plug-in.
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70.DSM - Dynamic Spectrum Mapper
Capture both the frequency-domain and dynamic characteristics of audio program.
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71.DrMS
DrMS presents a new way to approach the manipulation of stereo audio.
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72.pHATmatik PRO izotope
pHATmatik PRO allows you to break an audio file into rhythmic slices and manipulate those slices individually by applying filter, pitch and volume modulation. From there you can loop, rearrange, or play the slices with your MIDI keyboard.
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73.[url=http://www.sonoreplicator.com/]http://www.sonoreplicator.com/[/url]
SonoReplicator has released SonoReplicator VST, a spectral processor effect plug-in which turns standard speakers and earphones into acoustic copies (replicas) of studio monitors or any other real or ideal speakers and earphones.Vst for Windows only.
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74.Homing Pad
Homing Pad is a musical , creative and easy-to-use tool that allows you to generate grooves or melodies in an instant and completely intuitive way.
Homing Pad for Windows (VST) is available as a free download.
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75.REFLEX Pro
channel multi FX delay(vst).
Price: 49.-€
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76.RC-Tube
iLok required.
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77.The Massey L2007 is a mastering-grade look-ahead brickwall limiter.
The L2007 makes mixes sound richer and thicker, effortlessly. Just tweak the threshold knob – It’s like magic 
Link.
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78.EQuick is a streamlined, ultramodern EQ built to help you make your mixes magnificent. Fast, intuitive and unbelievably flexible, we’ve packed it with digital functionality.Link.
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79.MixControl Pro - is a complete high-quality, professional channelstrip with a unique sound that offers flexible module processing, pristine audio quality and a combination of useful new features.Link.
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80.Zynaptiq PITCHMAP
is the world’s first and only plug-in that allows processing the pitch of individual notes within polyphonic signals in real-time.
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81.Flux:: Stereo Tool, Free
It’s designed to give you visual feedback of your stereo image. You can control the left and right level individually, invert the phase for each channel, and tweak global stereo pan and width. An essential tool for the mastering engineer, but also quite useful for any stereo tracks at mixdown (think drum overheads or stems).
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82.LiquidSonics Filtrate
is an efficient linear phase 5-band stereo parametric audio equaliser for Mac and PC.
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83.MAutoEqualizer
advanced mastering equalizer and analyzer plugin is a revolutionary (but not limited to) mastering plugin, that combines a powerful equalizer, state-of-the-art linear-phase equalizer and analyzer in a single window.
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84.Blue Cat’s Triple EQ.Freeware.
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85.Audio Plugin Player
A lightweight host for your VST and AU instrument plugins.
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86.Toscanalyzer
A rich audio-analysis tool for mixing, mastering, music production and “audiophile” enthusiasts.
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87.SplineEQ
A linear phase equalizer plugin for Windows and Mac.
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Share your fav tools below:Please comment.
bump up 
Interesting list
Yes, just updated.
[quote]J4Electrix (06/06/2011)[hr]Yes, just updated.[/quote]
sticky material perhaps?
I hope, I pm SA like a week ago to add it to FAQ.