While not a direct clone, this is widely considered the best free compressor plugin available.

The Waves Renaissance Vox (RVox) is a professional vocal processor, but it is not available as a free download. It is a commercial product that requires a paid license from Waves Audio. ⚠️ A Note on "Free Downloads"

If you’ve spent any time in a professional studio or watched a vocal mixing tutorial, you’ve likely seen the Waves Renaissance Vox (RVox)

To avoid malware and ensure your sessions stay stable, always download from official sources like Waves Audio or authorized retailers like Sweetwater Why Every Producer Wants RVox