Matthieu Brucher has released version 2.0.0 of ATKColoredCompressor, a free and Open Source compressor plug-in, for 64-bit Mac OS X (10.9 minimum) and Windows (32 and 64-bit) in VST2, VST3 and AU plug-in formats.
The plugin now use the JUCE framework and is optimized for SSE4.2 processors on MacOS and AVX processors on Windows.