ects FX engine.  It uses the libfaust LLVM C++ API.</p>
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<p><a href="https://faust.grame.fr/community/powered-by-faust/#metafx">metaFx</a> is a control surface for continuous sound transformations in real time, just like the metaSurface64.
Like metaSurface64, it has both its own loop generator and a multi-effects FX engine, but its operation is different, especially for the management of plugin chains and pads.</p>
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<p><a href="http://www.hise.audio">HISE</a> is an open source framework 