Shift - Shift is the ultimate email client for managing Mail, Calendar, Drive, Slack, Asana, Jira, Evernote, and all your other favourite apps
Barcode Kingdom - Scan barcodes, Get unique units and items! Build your own kingdom.
Mia for Gmail - A desktop email client for your Mac, without a browser !
Resources Game - Go out, find deposits, and build your first mine!
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.
Codemon - Scan barcodes to find Codemons, battle other players and level them up!