Paraphrasis is spectral modeling synthesizer. It is licensed under GPL v2 or any later.
Paraphrasis uses these libraries under thier license terms. All licenses are in INSTAL\LICENSES.txt
JUCE (GPLv2, GPLv3, AGPLv3, ISC), Loris (GPLv2), Teragon GUI Components, (GPLv2) TinyThread++ (zlib), sse_mathfun (zlib), Teragon PP (FreeBSD), readwriterqueue (FreeBSD), arduino-base64 (MIT/Expat), dbRowAudio (MIT/Expat), dbRowAudio dependency: SoundTouch (LGPL v2.1), dbRowAudio FFTReal (WTFPL).
To build Paraphrasis you need XCode on Mac. Then copy ThirdParty\CoreAudio to /Applications/Xcode.app/Contents/Developer/Extras/CoreAudio. If 'Extras' directory does not exists create it.