Free plugins (VST, AU, RTAS)



VST

http://www.kvraudio.com/
http://www.vst4free.com/
http://www.vstplanet.com/
http://myvst.com/
http://www.free-plugin-list.com/
http://www.freesoundeditor.com/VSTPlugInseng.htm
http://www.gersic.com/plugins/
http://lesitedeburnie.free.fr/



RTAS, AU, MAS, TDM, VST

http://www.kvraudio.com/
http://badhabitstudios.com/help/protools/freePlugins.php
http://www.masseyplugins.com/
http://www.dontcrack.com/freeware/software.php/id/7037/audio/Plug-ins/platform/mac/
http://www.macmusic.org/software/cat.php/lang/en/id/7037/
http://www.hitsquad.com/smm/mac/PLUGINS_AU/
http://www.apulsoft.ch/freeports/
Windows VST plugins on Mac :
http://www.apple.com/downloads/macosx/audio/vfx.html



LADSPA, VST

http://www.kvraudio.com/
http://www.ladspa.org/
http://linux-sound.org/ladspa.html
http://ccrma.stanford.edu/planetccrma/software/ladspaworld.html
Windows VST plugins on Linux :
http://www.breakfastquay.com/dssi-vst/
http://dssi.sourceforge.net/
http://www.joebutton.co.uk/fst/
 Gersic.com
myVST Demos
VST 4 Free
KVR Audio



Check on this page about plugins (VST, AU, RTAS) for 8-bit sound, chiptune, chipmusic, retromusic.