PubNub - PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.

Minifier.org - Online JavaScript and CSS minifier

Ably - Serious realtime infrastructure

URL Decode - URL Decode Online converts the given URL Encoded String to a normal URL format with special characters. Just paste the URL Encoded text and instantly decode a URL. Works with PHP, Javascript and JAVA

Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

CSS Compressor and Minifier - CSS Compressor and Minifier is the best tool for compressing or minifying your CSS files online.