Jspm is a package manager that supports npm, GitHub registries and extends package.json, allowing installation of packages like jquery, materialize-css and immutablejs using commands like jspm install. It uses SystemJS as its module loader and supports TypeScript, enabling development of Angular 2 applications with features such as components, services and routing. The document provides an overview of the Angular 2 ecosystem including jspm, SystemJS, TypeScript and highlights of the Angular 2 framework.