Xmind - Xmind is a brainstorming and mind mapping application.
TrackDuck - Visual feedback for web design and development.
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.
Valist - Automatically created staging environments for every update with a shareable link for testing
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Usersnap - Usersnap is a customer feedback software for SaaS companies that need to constantly improve and grow their products.