Looks nice, but what's the difference between Notifyr and: • http://www.buddy.com/ http://www.buddy.com/ • http://js.dotcloud.com/ http://js.dotcloud.com/ • ht

Looks nice, but what's the difference between Notifyr and: • http://www.buddy.com/ http://www.buddy.com/ • http://js.dotcloud.com/ http://js.dotcloud.com/ • https://cloudmine.me/ https://cloudmine.me/ • http://backlift.github.com/docs/ http://backlift.github.com/docs/ • http://www.meteor.com/main http://www.meteor.com/main • https://parse.com/about/index https://parse.com/about/index • http://derbyjs.com/ http://derbyjs.com/ • http://www.kinvey.com/ http://www.kinvey.com/ • http://www.stackmob.com/ http://www.stackmob.com/ • http://www.appcelerator.com/cloud http://www.appcelerator.com/cloud • http://pusher.com/ http://pusher.com/ • http://www.firebase.com/ http://www.firebase.com/ • http://www.pubnub.com/ http://www.pubnub.com/ • https://www.getbridge.com/ https://www.getbridge.com/ • https://www.tambur.io/ https://www.tambur.io/