What are some alternatives?
When comparing Brightidea and Idea Market, you can also consider the following products
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
XMind - XMind is a brainstorming and mind mapping application.
Viima - Viima's mission is to allow companies to build what their customer wants, or in turn to fail faster with minimal wasted effort
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.
IdeaScale - IdeaScale is the leading innovation management software platform for the enterprise, government, and education.
FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.