Node.js

Node.js is a top-notch cross-platform environment used to build large, scalable server-side web applications (e.g. web-based games, social networks).
Codex Software was among the first who used its innovative event-driven architecture and non-blocking I/O API to create incredibly heavy-duty products, beating all the competitor technologies by a mile in terms of performance and stability. Other active implementers include industry giants like IBM, Microsoft, Yahoo!, PayPal, SAP, LinkedIn, Netflix, Godaddy and Rakuten.