Thrive – Intranet & Community WordPress Theme 3.19

Thrive has been designed as the fundamental foundation for your collaborative online community, bringing together social networking, messaging, forums, events, project and task management, file sharing, e-commerce, and even e-learning. This innovative theme can be tailored to your needs, so your members can easily share messages, files, events, tickets and/or forms, edit and collaborate on documents, and manage files and projects. Thrive also offers a private site option, with a secure login for members.

Simply put, this is the most comprehensive and flexible community building theme for WordPress.