Happeo is the leading social intranet solution for Google's G Suite. With rich Calendar, Gmail, and Drive integrations, easy collaboration capabilities and dynamic information sharing – you'll wonder what you did without it. 
 
Main functions:
*Channels are for project work: create and share files, folders, ideas, and communicate with team members instantly.
*Pages are for traditional intranet: share HR materials, forms and policies, or other essential company information.
*People function keeps employee contact information up-to-date: find organization charts, departments, contact information and skill sets.

Happeo comes with 30 day trial period.