Sails.js is a new technology, making it easy to build customized Node.js apps. It is mainly used for building chatrooms, multiplayers online games, real time dashboard and more with the help of data-driven APIs and service - oriented architectures. The main advantage of suing Sails.js is that developers do not have to write code in the backend to design apps, it automatically generates APIs for your app. Sail.js framework is known for its security and role-based access allowing you to add number of custom policies. it provides flexible mappings that helps in controlling access to controllers. This framework has come with automatic asset minifications that helps in including your layout automatically just by putting your all files in one folder. Overall, Sail.js framework helps in pushing your assets out to CDN to load them fast.