Proper PC Suite for android?
That's the beauty of Android. You don't need a separate piece of software for your PC. It's designed from the ground up to do everything within the Cloud.


  
  manage my phone files (audio/photo),
  


Connect via USB, turn on USB drive mode, and use Windows Explorer to manage your files.


  
  calendar (ms outlook independent)
  


Sync over-the-air (OTA) to Google Calendar.


  
  add/remove applications,
  


You do that right on the device or in the Google Play Store.


  
  access/edit/merge/remove contacts (ms outlook independent)
  


Sync OTA with Google Contacts.


  
  send SMS messages
  


There are some apps that allow you to do that.