Droplr + Microsoft Teams OverviewTop UsesPros & ConsTips & AdviceCompetitorsMicrosoft Teams Competitors Slack Slack is a workplace communication tool with integrated file sharing, video and phone calls, and screen sharing. Slack also has the ability to invite others from outside your organization to collaborate. Cisco Jabber Cisco Jabber empowers employees to work together efficiently from anywhere by bringing together presence, chat, audio, video and web conferencing as well as enterprise voice and visual voicemail into one client on their desktops. Workplace by Facebook Workplace by Facebook brings together the tools of Facebook most employees are familiar with in one place to encourage collaboration and communication. Chatter Chatter by Salesforce brings together the files, data, and communication tools employees need in one place to empower collaboration and information sharing.