coactivate.org

CoActivate is a platform for social activism. Whether your group is mobilizing voters, planning a protest, or growing a garden, CoActivate can help you become more effective. CoActivate is about greasing the wheels of democracy. The set of tools allows the user to make projects, share to-do lists, upload photos, publicize your cause, create and use mailing lists, store and share files and more.

Technology: Plone

Site: http://www.coactivate.org/