Maps -> openstreetmap.org/
Drive -> OwnCloud
I honestly prefer self hosted apps compared to cloud services. Recently I have learned that Google's Gmail API isn't open, it is subjected to Google's permissible use, Google team wants to know how the API will be used and wants to know full video demo of product. So being a Gmail business user, you can't use another business app without exposing it to Google. We switched to IMAP.
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