Flare by GoDaddy - Discover, give feedback and support startup ideas
Planview IdeaPlace - Spigit is a software program designed to help CEOs and industry leaders to tap into the creativeness of their employees. It brands itself as an idea management tool. Read more about Spigit.
Wittycircle - Networking tool for entrepreneurs, makers and curious minds.
Brightidea - With over 2 million users worldwide and $15+ billion in recorded business impact, Brightidea is ranked as the #1 Idea Management Platform globally and is the market leader in innovation management.
Generating Product Ideas - Find ideas for your next business or side project
ScatterNote - A note-taking app for networked thought