Is Facebook, Whatsapp & Slack app down August 2018? Aug 22, 2018 Is Facebook, Whatsapp & Slack app down August 2018? Top 5 Alternatives 5: Talkomi 4: Slack 3: Line 2: Youtube 1: Snap Jesse Dawson Co Founder & Chief Strategy Officer Recommended for you No posts found Apparently there are no posts at the moment, check again later.