jWebSocket is a pure Java/JavaScript high speed bidirectional communication solution for the Web - secure, reliable and fast. Provides easy integration into existing Tomcat web applications.
RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node. Using a modular script loader like RequireJS will improve the speed and quality of your code.
AWS Elastic Beanstalk is an even easier way for developers to quickly deploy and manage applications in the AWS cloud without having to worry about the physical infrastructure or the resource configuration that accompanies setting up that infrastructure. You simply upload your application and AWS Elastic Beanstalk automatically handles the deployment details of capacity provisioning, load balancing, auto-scaling, and application health monitoring, while allowing you to change configuration settings and deploy new versions.