Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
Xmind - Xmind is a brainstorming and mind mapping application.
Oceanaudio - Ocenaudio is a cross-platform, easy to use, fast and functional audio editor.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
GoldWave - GoldWave. Digital Audio Editing Software. Record • Restore • Convert • Analyze. Fully loaded to do everything from the simplest recording and editing to the most sophisticated audio processing, restoration, enhancements, analysis, and conversions.
FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.