ParticipateDB

From the website : How it works * Create a new discussion and invite members to solve a challenge or reach a goal. * As members submit ideas, Synapp facilitates discussion by prompting the community for feedback using a variety of simple actions. * Collectively, these actions help discover top ideas, collect diverse opinions, and connect relevant people and ideas. * The end result is smarter, innovative communities full of passionate, engaged individuals. SynApp is a project coming out of Stanford University. As of April 2015, the tool is in beta.