Explore the world of highly concurrent polyglot applications with Vert.x in this conference talk from GOTO Berlin 2014. Dive into the lightweight, high-performance application platform for the JVM as Tim Fox, Vert.x Project Lead at Red Hat, explains its design principles and motivation. Learn about Vert.x's polyglot nature, core asynchronous APIs, and the benefits of asynchronous programming. Discover the power of the clustered event bus, including its integration with browsers. Gain insights into running verticles, achieving high availability, and leveraging code generation. Explore distributed data management, monitoring capabilities, and the official Vert.x stack. By the end of this comprehensive presentation, acquire a solid understanding of Vert.x's features and its potential for building scalable, concurrent applications across multiple programming languages.