Pushwoosh!

To sum it up, you can:

AirMore is a cross-platform tool to access mobile devices wirelessly over the web. It can transfer Android and iOS device files to PC and vice versa.

Pushover is a simple push notification service that integrates easily into web apps, network monitoring systems, shell scripts, and anything else that needs to send alerts to your mobile devices.

Pushline is a free application that synchronizes notifications and badges between your smartphone and a PC or Mac Computer, its like Continuity for your Android device.

DeskCon integrates your Android Device in the Desktop. Receive Notifications, Files and Commands from your mobile Device on your Desktop PC. The Data is send over a secure TLS Connection. The Connection is encrypted and authenticated with self-signed Certificates (RSA-2048 PK).

Kopy is the best way to copy/paste your text across your devices.

QPush is a free service that lets you easily push text and links from PC to iPhone. No need to send emails to yourself or wait for Evernote to sync anymore!

Shoot makes it easy to send a big batch of photos or a large video directly from your device to your friends.

CellSend is a free service that allows you to send texts from your computer to your phone in a fast and easy way.

Everyday problem: a file needs to be copied from a desktop computer to a mobile device (or another desktop computer somewhere on the internet).

The Panacea application is a free download and it allows you to send messages quickly and easily via an HTTP request into the application. It support iOS, Android and Blackberry.

Once you sign up on this site, you will be able to create public and private groups. You can send extended push notifications to any of these groups. You can invite people to join your group right from here. Anybody can download the XNotify app from the Apple or Google store for free and join your groups to start receiving extended notifications from you.

Notify My Android is an easy, fast and reliable way to push notifications from anywhere to your Android Notify My Android allows you to deliver push notifications from any application to your Android device, through our easy-to-use API that can be integrated into your software.