Freeverb3 is a sound processing library which includes sampling rate scaling enabled version of freeverb with some fixes, extended implementation of N Reverb by CCRMA and implementation of impulse response convolution reverb. This library's oversampling feature provides higher quality of audio processing.

Freeverb3_vst is a VST plugin version of the freeverb3 library.

Freeverb3 is open source (GPL) and is based on the original Freeverb plug-in by Jezar / Dreampoint.