The best alternatives to Facebook at Work are Happeo intranet, Atlassian, and Vita.io. If these 3 options don't work for you, we've listed a few more alternatives below.
With an adoption rate 3x industry average, Happeo is the next-gen intranet that helps teams manage knowledge and internal communications in one unified place. Key features include a template-based page builder, integrations, and universal search.
Blink brings together everything your teams need to communicate in one simple and beautiful app: personalized news feed, secure chat, people directory, content hub, pages, and much more.