Super Sound - Super Sound is a resourceful audio and music editor.
CKEditor - Real-time collaborative future-ready rich text editor
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
TinyMCE - TinyMCE is a content editor that functions as a plug-in for Wordpress websites.
Audio Video Editor and Mixer - Audio Video Editor and Mixer is a tool that helps you add changes to your video and audio files.
Quill - Powerful, API-driven rich text editor