Pushwoosh Windows SDK
Contains Pushwoosh SDK for: WNS (Windows notification service): Windows 8, Windows (+Phone 8.1) 8.1, Windows 10 MPNS (Microsoft push notifications): Windows Phone 8+
The guilde for SDK integration is available on Pushwoosh website:
https://pushwoosh.com/platform-docs/pushwoosh-sdk/windows/windows-sdk-integration
The sample project is available here:
https://github.com/Pushwoosh/pushwoosh-native-samples/tree/master/Win8
Pushwoosh team
http://www.pushwoosh.com