+ <dt><abbr title="Linux Audio Developers' Simple Plugin API">LADSPA</abbr></dt>
+ <dd>An early, simple, lightweight plugin <abbr title="Application
+ Programming Interface">API</abbr>, audio effects only,
+ plugins have no editors/GUI of their own (Ardour provides one, however).</dd>
+ <dt><abbr title="LADSPA Version 2">LV2</abbr></dt>
+ <dd>An extensible, full-featured plugin API, audio and <abbr
+ title="Musical Instrument Digital Interface">MIDI</abbr>, plugins can provide their
+ own <abbr title="Graphical User Interface">GUI</abbr>s</dd>
+ <dt><abbr title="Audio Unit">AU</abbr></dt>
+ <dd>OS X only, full featured, audio and MIDI, plugins can provide their own GUI</dd>
+
+ <dt><abbr title="Virtual Studio Technology">VST</abbr></dt>
+ <dd>Plugins using Steinberg's VST plugin standard. Varies by platform:
+ <dl>
+ <dt>on Linux</dt><dd>(native) Linux VST plugins fully supported (VST2.4)</dd>
+ <dt>on Windows</dt><dt>(native) Windows VST plugins fully supported (VST2.4)</dd>
+ <dt>on OS X</dt><dd>Not supported, unless you use a VST<>AU
+ bridge plugin. Similar to Apple's Logic DAW.</dd>
+ </dl>
+ </dd>