Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
Xmind - Xmind is a brainstorming and mind mapping application.
Lead Forensics - B2B website analytics and lead generation.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
FindThatLead Prospector - Feed your sales team with daily leads.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.