TwistedWave - TwistedWave is one of the unique audio editors that allow you to edit your music file online without any installation.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
WaveShop - Open source audio editor
Spear - Product Hunt Command Line Interface
Radium - Radium is a music editor with a new type of interface.
Studio One - Studio One raises the bar for music production software. Developed by PreSonus, this platform has been used by both professional and amateur artists to make live and studio recordings.