Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.

Xmind - Xmind is a brainstorming and mind mapping application.

Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.

MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.

Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.

FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.