Audio Units Websites
KVR: VST Plugins, Audio Units (AU Plugins) & AAX Audio Plugin News, Reviews and Community - plus iOS (iPhone and iPad) and Android Audio App News Too (Virtual Instruments & Virtual Effects)
KVR Audio: News and info about Audio Plugins (virtual instruments and virtual effects) - VST, VSTi, Audio Units (AU), AAX, RTAS, UAD, iOS Apps (iPhone, iPad, iPod), Android Audio Apps, Soundware and Pro Audio Hardware
Not Applicable 
$ 8.95
KVR: Virtual Instruments, Virtual Effects, VST Plugins, Audio Units (AU), AAX & RTAS Audio Plugin News, Reviews and Community - plus iOS (iPhone and iPad) and Android Audio App News Too
KVR Audio: News and info about Audio Plugins (virtual instruments and virtual effects) - VST, VSTi, Audio Units (AU), AAX, RTAS, UAD, iOS Apps (iPhone, iPad, iPod), Android Audio Apps, Soundware and Pro Audio Hardware
15,937 $ 522,000.00
FabFilter - Quality Audio Plug-Ins for Mixing, Mastering and Recording - VST VST3 AU AAX RTAS AudioSuite
FabFilter creates innovative audio plug-ins and software synthesizers in VST, VST3, AU, AAX, RTAS and AudioSuite formats for Windows and Mac OS X
232,899 $ 21,600.00
smartelectronix.com :: free and donationware music plugins
Smartelectronix, VST and other plugins
429,160 $ 5,400.00
Camel Audio - VST Plugins, VSTi, Audio Units - Synths, Effects & Sample Libraries
Free VST Plugins and Audio Units including Alchemy Player Synth and CamelCrusher Effect, SFZ Samples and lots more.
197,492 $ 34,800.00
ANWIDA Soft - a new world in digital audio - VST plugins, Audio Unit plugins, DirectX plugins, SAWStudio plugins, Windows Media Player plugins
High quality solutions in digital audio software. Products to support all kinds of audio applications from tracking, mixing and mastering to brodcasting, podcasting and games audio production. VST, DirectX, DX, Audio Unit, Audio Units,AudioUnits, AU, SAWStudio, Windows Media Player plugins.
3,139,455 $ 240.00
Brainworx | M/S Mastering Tools & Audio Plug-ins
Brainworx: M/S Mastering Tools
891,059 $ 720.00
Loomer Audio Units, RTAS, VST Plugins for Mac OS X, Windows, Linux
Download professional VST plugins, Audio Units, and RTAS plugins for DJs, producers, and musicians
3,958,019 $ 240.00
Welcome to Nomad Factory Creative Software Company
Professional Audio software for Recording, Mixing, Mastering, Broadcast, and Live Sound, including audio software processors, audio plug-ins for DAW hosts like Cubase, Logic, Live, Sonar, Reaper, and Pro Tools - Nomad Factory Audio.
892,413 $ 720.00