Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.
Bigtent - BigTent is a web-based organization and communication portal for groups.
Meta Search - Search your Desktop, Google Drive, Dropbox, Gmail, Evernote.
Nabble - Nabble is a forum software that are embeddable and fully customizable with scripting language.
Community Box - Easily create beautiful directories
TidyHQ - Organization management tool to support membership, subscriptions, event planning, and outreach.