Dropbear is a relatively small SSH server and client. It runs on a variety of unix platforms. Dropbear is open source software, distributed under a MIT-style license. Dropbear is particularly useful for "embedded"-type Linux (or other Unix) systems, such as wireless routers.
Source: Dropbear SSH, an article by Matt Johnston.
Andy Bell writes about his favourite 3 lines of CSS.
According to Node’s official documentation, Node.js is a JavaScript runtime built on Google’s open-source V8 JavaScript engine. Node.js can execute JavaScript code on the server side, making it possible to create fast, scalable, high-performance network applications.
Source: A Deep Dive into Node.js: Understanding its history, threading, and event-driven architecture.