DEmul - DEmul is a Sega Dreamcast emulator able to play commercial games.
Xmind - Xmind is a brainstorming and mind mapping application.
Redream - Redream is a work-in-progress Dreamcast emulator, enabling you to play your favorite Dreamcast...
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
DreamEMU - DreamEMU is a Sega Dreamcast emulator that can play CPU Demos and homebrew games.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.