git://github.com/zynaddsubfx/zynaddsubfx.git#tag=3.0.5
git://github.com/mtytel/helm.git#tag=v0.9.0
git://github.com/falkTX/Carla.git#tag=v2.0.0
git://github.com/ardour/ardour.git#tag=5.12
http://www.xwax.co.uk/releases/xwax-1.7.tar.gz
git://github.com/hydrogen-music/hydrogen.git#commit=538eaeb9f4e9be2febf02e36a08e3e9fca2ae317
https://github.com/audacity/audacity/archive/Audacity-2.2.2.tar.gz
https://github.com/LMMS/lmms/releases/download/v1.2.1/lmms_1.2.1.tar.xz
https://github.com/mixxxdj/mixxx/archive/release-2.2.2.tar.gz