The TMS Cloud Pack for .NET contains components that offer integration with several cloud services.

Services

Google Drive
Google Calendar
Google Contacts
Google Photos
Picasa

iCloud contacts
iCloud calendar

Microsoft Live Calendar
Microsoft Live Contacts
Microsoft Onedrive

WebDAV
CardDAV
CalDAV

DropBox Cloud storage

Facebook

Twitter

LinkedIn

FourSquare

Flickr

Instagram

Box

PushOver

myCloudData.net

Service types

Cloud PIM
Google Calendar, Google Contacts, Windows Live Calendar, Windows Live Contacts, iCloud contacts, iCloud calendar, WebDAV, CardDAV, CalDAV

Cloud storage
DropBox, Onedrive, Google Drive, Box, myCloudData.net

Cloud image services
Picasa, Flickr, Instagram

GEO
FourSquare

Social media
Twitter, Facebook, LinkedIn

And much more
PushOver