GoldWave – is a very good digital audio editor. GoldWave is ideal for people who work with audio for CD editing, archive restoration, speech analysis, radio and TV, Java and Web pages, games, or just for fun. GoldWave
Celemony Melodyne Studio – This is a software application which you can edit audio in a more musical way than was ever thought possible. In it, you work with notes – and not with a meaningless wave form.
Cockos REAPER – is a powerful but sensible Windows application that lets you record, arrange, edit, and render multi-track waveform audio. It provides an extensive set of features, but is a very small and lightweight application (the installer
NCH WavePad – is a full-featured professional audio and music editor for Windows and Mac. It lets you record and edit music, voice and other audio recordings. When editing audio files, you can cut, copy and paste parts
Avdshare Audio Converter – Convert between audio formats with zero quality loss; Extract audio from video; Directly Play Media Files, Edit Audio like merge, adjust audio volume, channel, bitrates etc. Features • Work as an audio player, directly