Audio Ease
Altiverb
PaidProvide convolution reverb audio plug-in.
MacVST Wrapper
Trial versionOperate multiple VST plugins simultaneously.
MacRocket Science Bundle
Trial versionApply human vowel filters (OO EE AH) to your audio.
Mac
BarbaBatch
Trial versionConvert batches of audio files between various formats.
MacPeter Pan
Paidsurround audio panning for Digital Performer & AudioDesk
Mac