Acoustica Premium Edition 7
OFFICIAL PAGE: Acoustica Premium Edition 7
Acoustica Premium Edition 7, from Acon Digital, is a full-featured application for editing, mastering, and restoration work on both macOS and Windows. The spectral editing capabilities, available only in the Premium Edition, include brush, freehand or magic wand selection tools. A retouch tool removes noise based on a freely selectable reference from the surrounding audio.

Screenshot courtesy of Acon AS
ARTICLES:
USER GUIDE:
Acoustica 7 User Guide [Acon AS]
VIDEOS:
Introduction to Acoustica 7 [Acon Digital]