DSP Quattro is a Mac based 2 track editor and mastering software package. Version 4 has now added audio restoration for declicking and de-noising your audio.
It is also possible to apply multiple plugin processing on a per track or per session basis. There's also a powerful batch processing engine, which makes it ideal for repetitive tasks such as sample preparation.
Available now at $99 or if you are a Bias Peak user - you can crossgrade for $50