RubEM

RubEM is a text editor developed by the Emacs Lisp project. It aims to provide a rich editing experience with a focus on extensibility and customization, much like its namesake, GNU Emacs. RubEM is written in Emacs Lisp and is designed to be a modern, lightweight alternative while retaining many of the core features and philosophies of traditional Emacs. It supports various programming languages with syntax highlighting, auto-completion, and other developer-centric tools.

The project emphasizes ease of use and a smooth onboarding process for users new to the Emacs-like editing paradigm. It includes a built-in package manager for installing additional extensions and themes, allowing users to tailor their editing environment to their specific needs. RubEM also supports basic file management operations and integrates with external tools through shell commands. Its development is driven by the desire to offer a functional and approachable Emacs-like editor that is accessible to a wider audience. The community actively contributes to its development, suggesting new features and reporting bugs.