REAPER is a complete digital audio production application for Windows, Mac and Linux, offering a full multi-track audio and MIDI recording, editing, processing, mixing and mastering tool set.
Adobe Audition is an audio editing and post-production suite.
Acoustica is a comprehensive audio editor for recording, editing, mixing and mastering.
Steinberg's WaveLab allows quick audio editing and professional mastering with sample-accurate precision. High-quality EQs, dynamics and effects are included, and the software can integrate additional effects processors.
Sinusoidal Partial Editing Analysis and Resynthesis.