Sococo - Sococo offers a virtual office where business teams can interact with one another, wherever they are.
Shift - Shift is the ultimate email client for managing Mail, Calendar, Drive, Slack, Asana, Jira, Evernote, and all your other favourite apps
Teamflow - Feel like a team again with your own virtual office
Mia for Gmail - A desktop email client for your Mac, without a browser !
Wurkr.io - Best virtual workplace solutions to build online virtual office for your remote team to work smarter and efficiently with your clients.
Mailplane - Mailplane is the best way to use Gmail on your Mac. Use an unlimited number of accounts, get new mail notifications, use plug-ins and much much more.