Explore the vast capabilities of GNU Emacs in this 21-minute conference talk from EmacsConf 2023. Discover how to draw and scribble, utilize SVG symbol libraries, and transform Emacs into a multimedia editor. Learn to fill PDF forms, manage desktops and windows, and implement screen mirroring. Delve into advanced features like swipe text input, formula editing, and transliteration. Explore social media integration, comics building, and game development. Master interactive tools for XPath and JSON building. Harness Emacs as a lightweight IDE with CEDET Semantic, generating Java getters/setters, C headers, and performing symbol renaming. Conclude with offline SQL capabilities, showcasing Emacs as a versatile, all-encompassing development environment.