What are some alternatives?
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Beekeeper - The #1 All-in-One communication & productivity platform used for reaching and connecting every individual in an organization.
LinkedIn Premium - LinkedIn is a social network helping brands and professionals to connect, identify sales prospects, hire talent, and promote their business.
MangoApps - Founded in 2007, MangoSpring transforms the way teams work together.
Yammer - Yammer is a leading enterprise social network used by more than 200,000 companies worldwide, including 85% of the Fortune 500, to get work done smarter and faster. Sign Up Today.