It started under the name WMail and was supposed to provide a better way to access your Gmail account from a PC program (for multiple operating systems). Meanwhile, the development has gotten out of hand and it offers access to more than 1000 web apps; reason enough to immediately change the name to WaveBox. The free version allows you to manage two apps. Of course, this can also be completely different from the mail client from Google, for example other Google services such as Analytics or Docs, but also Outlook, Office365 and many more applications.
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WaveBox – Run web apps from a central location