Fuze is the Leader in Enterprise Global Voice, Video, Messaging, and Collaboration"

Quip is a modern productivity suite that enables you and your team to collaborate on any device. It works across iPhone, iPad, Android phones and tablets, and the desktop web. Quip has a simple and elegant interface that combines documents and messages into a single chat-like “thread” of updates, making collaboration immediate and easy. You can share documents, tables, checklists, and more so multiple people can edit and discuss together in a single, shared workspace.