Announcing dplug, a toolkit for making audio plugins with D

[via Digitalmars-d-announce]

On Sunday, 14 June 2015 at 21:20:36 UTC, Ola Fosheim Grøstad 
wrote:
> Not sure how Audacity plugins are written (on OSX it can use 
> AudioUnits also I believe), but might be worth looking into. 
> Might attract some GNU/Linux people.

The wiki said that Audacity ships with Vamp:

http://www.vamp-plugins.org/develop.html