Xmind - Xmind is a brainstorming and mind mapping application.
Recordium - Recordium is a powerful yet elegant recording app designed for iPhone, iPad, and iPod Touch.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Audio Memos - Audio Memos is a voice recorder for the iPhone and iPad.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
Quick Record - Voice memos audio recorder with iCloud sync