RX 10 Elements audio repair suite by iZotope on sale for $10 USD

RX 10 Elements includes the new Repair Assistant plugin, as well as 5 essential real-time noise reduction plugins to fix clipping, hum, clicks, and other unwanted background noise like amp hiss, air conditioning, and even reverb. Repair Assistant uses the digital signal processing of RX to analyze your audio and provide solutions that quickly correct the most common issues.