Tricider - is a cool web based service that makes group brainstorming on any topic really easy. Quick too because it doesn't ask you to register. Just enter the topic where it says "What do you want to decide?" and hit go. On the next page, you can propose a solution and add your name as well as your argument in favor of the proposed solution.
Freelancers, small business owners, college students and family members have found that the Internet has made it easier to work from home, collaborate on group projects, and share important files and links. This list of web tools is ideal for anyone working on a group project, whether you're looking for task management support, scheduling and calendar organization, or just a place to collect all your materials and brainstorms.