Xmind - Xmind is a brainstorming and mind mapping application.
Zeplin - Collaboration app for UI designers & frontend developers
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Abstract - A secure, version-controlled hub for your design files
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
Pamela for Skype - A versatile and easy to use Skype audio and video recording software. Features