No, is a commercial VST plugin developed by Cableguys . It was originally released as a paid product (priced around $40) and has since been succeeded by newer versions like VolumeShaper 6 and the ShaperBox 3 bundle.
VolumeShaper 4 revolutionized the way producers handle "sidechain" effects by using drawable volume curves instead of traditional compressors. Vst Plugin Volumeshaper 4 Free BETTER Download
It includes numerous templates for rhythmic gating, ducking, and "sample-accurate" syncing. Top Free Alternatives No, is a commercial VST plugin developed by Cableguys